Bitcoin and Altcoin price charts / graphs

r/CryptoMarkets

FOREX community for cryptocurrencies. Tags: mt gox bitcoin, long term potential, open source exchange, low inflation rate, demand and price, technical analysis, fundamentals, Bitcoin, Ethereum, Litecoin, Monero, Dash, Augur, token, volume, oscillator, RSI, stochastic, trend, sentiment, strategy, scam, coin, coinmarketcap, altcoin, Peercoin, script, blockchain, PoW, PoS, Proof of Work,
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GPU Mining - Where GPU Miners Discover the Best GPU Mining Hardware

gpuminer is a Reddit community dedicated to GPU mining of digital currencies also known as alt coins. Discover the current best mining hardware, mining software and hash rate settings to get the most out of your GPU mining rigs. We cover Ethereum mining as well as other crypto currencies including: Dash, Monero, Decred, Zcash, and Library Coin.
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Primecoin

Primecoin is an innovative cryptocurrency, a form of digital currency secured by cryptography and issued through a decentralized mining market. Derived from Satoshi Nakamoto's Bitcoin, Primecoin introduces an unique form of proof-of-work based on searching for prime numbers.
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Compilation of tools, graph, etc

Hi,
I`m a long term bitcoinetrademiner, I would like to see what tools/graph/websites you guys use to day trade, watch and stuff.
That could be on your computer, phone, tablet, whatever.
I want to see what out there.
Personally I use on computer: -Bitcoinwisdom, bitcoinity, cryptocoincharts, coinmarketcap, just to name a few. On my phone i use bitcoin ticker,ibitcoin, btcm and coin ticker.
What about you. If possible to, a screenshot of your desktop while you are trading with your 4894949 screens would be appreciated. Its like to porn to the eyes.
Dont forget to blank personal information.
Hope to discover new stuff I never seen :D
submitted by skywalk819 to Bitcoin [link] [comments]

Litecoin more than twice the Bitcoin volume on cryptocoinchart without including huobi.

Litecoin more than twice the Bitcoin volume on cryptocoinchart without including huobi. submitted by cryptog to litecoin [link] [comments]

11-28 22:43 - 'Bcash was worth now 0.147 BTC, on it start it was 0.148 BTC. It means it did not move up at all.' (cryptocoincharts.info) by /u/Dsmail removed from /r/Bitcoin within 103-113min

Bcash was worth now 0.147 BTC, on it start it was 0.148 BTC. It means it did not move up at all.
Go1dfish undelete link
unreddit undelete link
Author: Dsmail
submitted by removalbot to removalbot [link] [comments]

Bitcoin Cash Soars? https://cryptocoincharts.info/topic/bitcoin-cash

Bitcoin Cash Soars? https://cryptocoincharts.info/topic/bitcoin-cash submitted by Coin_Market to icocrypto [link] [comments]

I got fired 3 week ago and got into depression, one of my best friends is a crypto trader. Instead of feeling shitty he want to teach me everything about crypto and he said that it might help me to understand the normal 9-6 job life is not the only way. here are the tips and resources he gave me:

i’m sharing it here because i’m sure that there are other people in my situation too and it will be great if i can help you exactly like how my friend helped me.
What i’m sharing here is what i wrote on my notebook while he was pitching the basics of crypto trading, I summarized it into few lists so it will be easier for you to follow:
General tips:
  1. If your mom send you a message asking “how to buy bitcoin”? it means you need to sell yours (not to her of course :P)
  2. Don’t put all your money on the exchange (he lost in the past some money on mt.gox).
  3. If you’re too lazy to print a paper wallet or so cheap you can’t buy Trezor, so don’t cry if you make some stupid mistakes and lose your login details/ get hacked.
  4. Don’t be afraid from charts, After you will get into trading you will find technical analysis like a children’s game, you just need to look for shapes and mark a line to understand where the risk is and than use your instincts, your brain(he claimed i don’t have any) and some useful new resources (i share them later on).
  5. there is too much information, if you will try to focus everything it will kill you and you will spend most of your profits on Advil. arrange yourself a useful resources and a comfortable working environment.
  6. Listen to Lofi while you trade/make decisions.
  7. don’t join random telegram groups or pump and dump groups. no-one open a traders group and invite you just because you have a beautiful smile. 97% of them have hidden interest. Try to attend for a local bitcoin meet up in your hometown or near by and than meet REAL people and REAL traders. Ask them if they have a friends traders group and ask to join, If they don’t agree say the
Trading tips:
  1. Altcoins - Vs. Bitcoin and Vs. USD: it's important to analyse the price against Bitcoin and against USD as well. Most major altcoins have huge USD trading
  2. What goes down – does not necessarily go up again: “I’ve seen Altcoins like Aurora which came down 99.99% of its record”.
  3. Day trading is a job. Consider the time spending on it when calculating your gains and losses.
  4. Don’t put all of your eggs in one basket: Diversify your crypto portfolio, and it's not shame to hedge to cash sometimes
  5. don’t risk something you can’t afford to lose.
resources:
“Give a man a good signal and he made profit for day, Teach him how to trade and will make a profit for a day “ (I made it now… And I wonder why I got fired) :P
He shared with me many of his resources and said that I need to check them to understand which one are useful for me and which isn’t.
News & Educational Websites:
Educational, Learn about real companies that using smart contracts - https://medium.com/swarmdotmarket/5-companies-already-brilliantly-using-smart-contracts-ac49f3d5c431
BitcoinWiki* - It’s like wikipedia, but for bitcoins… https://en.bitcoin.it/wiki/Main_Page
CryptoCoinChart - a cool alternative to coinmarketcap https://cryptocoincharts.info/
ICO’s - Before investing in ICO you need to check few things:
Whitepapaer- Before you buy electronic product on Amazon do you read about it? do you do the research? Do the same when you invest in ICO. Read the Whitepaper to fully understand the idea and the potential
submitted by leftycatchersmit to CryptoCurrency [link] [comments]

Discussão sobre Criptopmoedas (Bitcoin e Altcoins). Um pouco sobre o que aprendi e como você pode conhecer mais sobre esse mundo novo.

Oi, /Brasil!
Antes de qualquer coisa gostaria de fazer um ‘disclaimer’ sobre esse post:
Não estou aqui para fazer aquele marketing “Olhe como em apenas 5 passos você pode ficar muito rico!!”. Eu sou extremamente novo nesse mercado de Criptomoedas e aprendi tanta coisa nova e legal e gostaria de compartilhar meu conhecimento, tirar duvidas e quem sabe trazer novas pessoas nesse novo mundo.
 
Nesses últimos tempos vários posts sobre Bitcoin e Altcoins estão aparecendo aqui no /Brasil e muita gente discute sobre o assunto. Alguns extremamente céticos, uns curiosos e outros que já conhecem um pouquinho do assunto. Eu tentei dar um help pro pessoal que fez perguntas nos outros posts e alguns se juntaram ao grupo que organizei sobre Criptomoedas no Discord.
 
Não quero trazer também o “invista até não poder mais”. Esse mercado de criptomoedas é extremamente volátil e você pode sim perder dinheiro com isso. Nunca invista o que não pode perder.
 

Quero iniciar comentando sobre algo que muitos céticos usam:

“Bitcoin é uma bolha, ela vai estourar e você vai perder tudo.”
 
O que não é uma bolha, certo?
Bolha do ‘dot com’ e bolha da Apple a bolha do Tesla. Existem vários outros exemplos que eu poderia dar, mas eu não vim aqui pra isso.
 
A ideia central de Criptomoedas é ser um sistema descentralizado de qualquer banco, empresa e governo, ser seguro, open-source, totalmente criptografado, que é apoiado pela matemática implementada. Toda a história da moeda deve ser aberta ao público e você pode ver toda e qualquer transação feita na rede. Essas transações precisam ser processadas por máquinas que confirmam que essa transação não é um double-spending ou alguém querendo criar moedas “out of thin air”. Se alguém quiser hackear o sistema ele vai precisar quebrar toda a Blockchain da moeda (explicação mais abaixo).
 
Blockchain (cadeia de blocos) é todo o registro de tudo que aconteceu com a criptomoeda. Cada novo bloco é ligado ao ultimo bloco existente. Nenhum dado subsequente pode ser alterado sem que todos os outros blocos sejam alterados. Fazendo assim a criptomoeda em questão super segura. Blockchain é estudada para aplicações de gerenciamento de identidade, registro médico, prova de documentos, etc.
 
Você pode fazer uma transferência pequena de alguns trocados até com centenas de milhares Reais para qualquer lugar do mundo. Imagine você aqui no Brasil tem um parente lá na Coréia do Sul. Você quer mandar R$3000,00 para o parente. Para isso você precisa ir até o seu banco, solicitar uma transferência de alto valor, pagar todas as taxas do banco, do seu governo, talvez até do governo do país que será enviado, esperar até a data estipulada para o dinheiro chegar ao seu parente (a partir do dia do envio+2). Faça a pesquisa, você pode pagar muito alto por isso.
 
Agora leve em consideração o Bitcoin. Mesmo com uma taxa alta nesses últimos tempos (da ultima vez eu paguei R$12,00), imagine você mandar esses mesmos R$3000,00. Só que a transação é feita em até 60 minutos. Você manda a ordem de transferência da sua carteira até a carteira do seu parente, essa transferência de Bitcoin é registrada, então processada pelos mineradores e depois de um tempo o Bitcoin é validado na carteira do seu parente. Depois disso ele pode já usar os Bitcoin no mesmo dia ou ir até um caixa eletrônico de Bitcoin e sacar em dinheiro ou até trocar por outras moedas ou por dinheiro em Exchanges.
 
Fora Bitcoin, nós temos centenas de outras criptomoedas. Várias são muito interessantes, como: Ethereum, Litecoin, Bitcoin Cash, Vertcoin. Outras são simplesmente enganações usadas para roubar dinheiro de quem investe nas criptomoedas. Infelizmente existem coisas ruins como essa em qualquer lugar do mundo. Sugiro também uma pesquisa sobre cada criptomoeda. Coinmarketcap é um site legal para você iniciar sua pesquisa nas moedas de maior valor, volume, tecnologia, etc.
 

Mineração

A mineração consiste em usar o recurso de processamento do seu computador para procurar e resolver blocos. Quando isso acontece uma recompensa é distribuída para todos os mineradores envolvidos na mineração. Você pode minerar sozinho (o que hoje é impossível para alguém normal) ou pode entrar em uma Mining Pool.
 
Recentemente comecei a minerar uma criptomoeda chamada Vertcoin. Não é necessário muito conhecimento em como funciona a mineração. Basta ter um computador com placa de vídeo legal (a partir de uma gtx 1060 é legal), baixar um programa chamado One-Click Miner (OCM), arranjar uma carteira da moeda (interessante a Electrum Vertcoin Wallet), apontar seu minerador para aquela carteira, selecionar uma Pool de mineração e clicar Start.
 
Na mineração de Vertcoin você usa o poder de processamento da sua GPU para procurar blocos na rede junto com vários outros mineradores. Quando um bloco é encontrado você é recompensado pelo tempo que você esta minerando. Quanto mais tempo estiver minerando, melhor. Mas até um limite claro.
 
Não vou dizer que vale a pena você minerar porque existem muitas variáveis para isso. Para mim esta valendo a pena. Com uma GTX 1080 consigo pagar o gasto extra de conta de luz e lucrar Vertcoins. Recomendo fazer o calculo e ver se vale a pena.
 
A ideia central que estou levando para minerar Vertcoin é que devido a sua história, seus desenvolvedores, resistência à ASIC (Application Specific Integrated Circuits) e sua transparência com a comunidade ela será adotada pelo mercado. Seu valor subiu de US$0,04 em Janeiro de 2017 para hoje no preço de US$5,4. Outra coisa legal é que o Vertcoin usa algoritmo criado por brasileiros, chamada Lyra2!
 
Se você, leitor, tiver interesse em minerar ou discutir mais sobre moedas e conhecer mais, eu vou sugerir entrar no Discord que criei exatamente para isso: https://discord.gg/aWfV2Q5. Somos um grupo pequeno, mas o pessoal lá é super amigável e me trouxeram muito conhecimento novo. Temos desde iniciantes até alguns veteranos no assunto. Temos uma Pool de mineração de Vertcoin (Veja aqui) também se alguém se interessar.
 

Conclusão

Esse mundo de Cryptocurrencies é muito novo, estranho, inovador e interessante. Aprendi muita coisa e nem estou a tanto tempo assim aprendendo. Tenho comprado, vendido, minerado e guardado várias moedas diferentes. Tenho lucrado uma grana interessante que não teria vindo caso continuasse igual meus amigos que dizem não ter dinheiro pra investir nisso, mas saem todo final de semana com amigos/namorada e gastam 50, 100, 200 reais. Deixasse de sair 1 fim de semana por mês e compra uma moeda “segura” como Litecoin ou Ethereum. Da um lucro legal em uns 10 anos caso for atento, trocar por Real quando necessário ou mudar pra outra moeda.
 
Tem muita coisa que ainda quero falar, mas não quero deixar esse texto mais extenso do que esta. Por isso, peço a você que está lendo para deixar seus comentários, a favor ou contra, que vou tentar responder, aprender coisas novas, tirar dúvidas, fazer perguntas também e ter discussões saudáveis.
submitted by TheCrazyTiger to brasil [link] [comments]

BCH/BTC Price

seems the ratio of prices between core/BTC and Bitcoin Cash/BCH are incredibly stable, and slightly downward trending
cf this graph: https://cryptocoincharts.info/paibch/btc/bitfinex/1-year
esp Jun->current I find this extremely surprising, both in the degree of correlation (near perfect) and the consistent downward trend. What are the factors that affect this ratio?
I would expect the prices to have been decoupled fairly quickly as BCH fills a different economic niche, and with increasing adoption, I would have expected the trend to be positive.
Any insights on this would be greatly appreciated. Thank you.
submitted by jmdugan to btc [link] [comments]

Why the price of DOGE is falling and will continue to. SUCH MAFFS. SO LOGIC. WOW.

TLDR; Dogecoin is one of the most profitable coins to mine, so people are mining and dumping for profit. Will probably still drop by ~10-25%. Woof. http://i.imgur.com/NRVOtRI.jpg
A lot of people are posting about the price of Dogecoin and are concerned with its price. There is speculation that is misleading and not backed up by much theory. It’s not just as simple as supply and demand, panic selling or the line of best fit on a graph. Let’s look at the maths and see why the coin is dropping so rapidly and why now.
MAFFS
The difficulty of mining a block of DOGE currently ranged from 300-400 [1], the higher this goes the less coin you will mine. To make things simple let’s run an example: Assume you have 1000kHash of digging power; with that you could mine at the current difficulty level approx. 30,000 DOGE a day [2]! The value of Dogecoin is tightly tied to Bitcoin, we first convert it to BTC and sell that. The price for a single DOGE is roughly 0.00000040 BTC [3] and a BTC is worth around $850 [4]. In our 24 hours of work we earn $10.20 (0.00000040 * 30000 * 850). Wow. Such pawfit.
Now compare this to the ‘standard’ of scrypt mining, Litecoin. For the same time and strength of your digging you would yield around $8.50. If you were only interested in profit you would mine DOGE and sell it because it made you the most profit for your hashrate. A lot of people are doing this, including multicoin pools, they mine the most profitable coin and convert it to BTC. It’s simply efficient. This means that there is a huge dump of coin on the market and the price will fall.
SPECULATION
When will the coin stop dropping in price? When it is no longer the most profitable coin, so probably around 0.00000030 to 0.00000035 BTC. At this price the profitability is too low to reward these types of miners. Alternatively, if the difficulty was to increase then the amount of coins earned (EDIT: coins per person, overall supply per time is constant! More miners = lower split per miner) would be reduced and the profit margins would also decrease, I’d estimate the difficulty would need to be around 450 to 500 to balance out. The difficulty increases if more people mine the coin, and at this point that will be depending on popularity.
Sure a few people are panic selling but comparatively this is a drop in the ocean and even so it will just help the coin reach its stable price a little faster. Anybody who wants to see the coin succeed is already doing what they need to, they are not concerned with the price, remember to have fun!
Another point to note is that over the last few days the price of BTC has risen, and so even if the price of DOGE was stable the exchange ratio for DOGE->BTC would still show a fall – this is slightly misleading and the fall in price is not as hard as it seems!
So what can you do? Wait. The price will level out and over time the difficulty should increase with popularity and in around 1-2 months the reward will halve, I'd expect a big peak in price around that time. The coin is young and popular; it needs to learn the Earth before it can go to the Moon.
Sources: [1]http://www.cryptocoincharts.info/v2/coins/show/doge [2] http://www.coinwarz.com/calculators/dogecoin-mining-calculator [3]https://www.cryptsy.com/markets/view/132 [4]http://bitcoinity.org/markets/mtgox/USD 
submitted by Piedo_Bear to dogecoin [link] [comments]

Daily Chart - Bitcoin Above $9000, Rallies Onto New All Time Highs | x-post /r/CryptoMarkets

Bitcoin prices are currently reaching $9000, with BTC/USD markets reaching new all time highs as the cyptocurrency keeps rallying.
Chart Source:
https://cryptocoincharts.info/paibtc/usd/bitfinex/today
submitted by kamenoccc to BitcoinMarkets [link] [comments]

A long term outlook at the Dogecoin economy and currency (intro & pt 1 - mining power and a 51% attack) [meta]

Dogecoin is awesome. Dogecoin is too the moon!
But like any moon mission, it's worth asking the question what can go wrong on the way there. What stakeholders exist in the Dogecoin economy, what outcomes are possible in Dogecoin's journey, and how those outcomes could affect the behavior of the stakeholders.
This post is designed to encourage you to ask questions about every aspect of how Dogecoin functions. I do not intend this as investment advice in any sense of the word and have worked hard to avoid any discussion about what will happen to the price of dogecoin in the future.
In this post I will outline the stakeholders, outline the factors that affect the currency, and address the question of how Hashrate is related to miners decisions, and how it protects Dogecoin from a 51% attack
A few of the key facts I'll discuss:
Disclosure: I own a small amount of Dogecoin and Bitcoin (less than $100 in total at current market value) It's purely for entertainment and research purposes.
At the moment, I see the following people in the Dogecoin community:
  1. Long term investors (individuals holding Dogecoin either as a store of value or an investment opportunity)
  2. Short term investors (individuals holding Dogecoin as an investment opportunity)
  3. Professional Dogecoin miners (individuals choosing to mine Dogecoin rather than other Scrypt based coins, motivated by income)
  4. Community Dogecoin miners (individuals choosing to mine Dogecoin because they like Dogecoin, not motivated by income)
  5. Dogecoin buyers and sellers (individuals using dogecoin as a short term medium of exchange)
  6. Dogecoin community members (individuals holding Dogecoin for fun and/or using it for non-monetary compensation {irrelevant of market value}
  7. Dogecoin developers (Individuals who will decide what changes are made to the Dogecoin protocol {some of which may affect market behavior})
It's important to note that individuals in the community can be in more than one category (someone who holds dogecoin for short term investment can also buy and sell dogecoin on the market)
Variables which can affect the above stakeholders:
A. The average (and future) mining reward from a block of Dogecoin per kilohash hour. (How much can I make mining Dogecoin, what will Dogecoin inflation look like)
B. The total mining power (in GH) focused on Dogecoin vs other Scrypt coins (the more distributed miners, the safer the blockchain)
C. The price of Dogecoin/Market Cap (to determine if Dogecoin is worth mining)
D. The market perception about the future price of Dogecoin (to determine if Dogecoin is worth holding/spending and worth mining) {this is harder to quantify}
E. The Transaction volume of Dogecoin (to determine the community interest in the currency)
F. The reliability of Fiat to Dogecoin exchanges and Crypto to Dogecoin Exchanges (to facilitate an efficient/accurate market price for Dogecoin)
G. The speed of Dogecoin conversion into fiat (for instant transactions by merchants)
H. The development pipeline for new Dogecoin compatible mining hardware (how far off are ASICs for Scrypt)
As I see it, there's one major outcome that affects the entire community equally.
A 51% attack on Dogecoin would be of massive adverse value to everyone (except the individuals perpetrating the attack). If Dogecoin's blockchain was corrupted, It would cease to function as a useful medium of exchange and as a store of value. Miners would leave because the value would plummet from it not being trusted. Short term investors would dump their holdings as they started to lose value. Long term investors would do the same.
The currency would die.
How does one prevent a 51% attack? Have a large total mining hashrate in the hands of a diverse number of miners. If the cost of running a 51% attack is so high it's not worth the money, it won't happen.
This leads to a fundamental question: what keeps people mining Dogecoin?
Dogecoin miners are separated into two groups (as mentioned above), Professional miners who will go where they can make the most money, and amateur miners who will mine Dogecoin because they like the currency.
From a community health perspective, the professional miners are the main concern (with a few caveats). If professional miners leave, that affects trust in Dogecoin.
So what keeps them mining for us? There are two major Scrypt based cryptos out right now, Litecoin and Dogecoin, and the community, as of this writing, is essentially split 50/50 is split 55/45 in favor of Dogecoin.
What this reflects is that miners expect to make more money mining Dogecoin than litecoin. Since an efficient market exists for trading Litecoin into Bitcoin and Dogecoin into Bitcoin, it seems to this author that value should be assessed in terms of current actual value (that miners choose what coin to mine based on how much they can sell it for today)
Since two large scale profitable currencies exist (LTE and DOGE) miners are going to choose the more profitable up until the point where the two converge. This depends on three variables:
Difficulty, total hash rate, and average reward.
As of Jan 23, DOGE is a little over twice as profitable as LTC.
This is what has prompted the major switch of the past few days.
I need help modeling is how much total value comes from LTC and how much from DOGE (essentially, if I owned the entire mining pool and split my work equally, how much could I make from each currency?)
At some point, enough miners will leave LTC that it's difficulty will drop. Assuming LTC retains its value (in fiat), falling difficulty will make it more profitable. Eventually, its profitability will once again match that of Dogecoin, and miners will stop leaving LTC for DOGE.
The problem is that as miners leave, it is possible that the currency value will drop as well.
On Jan 20, LTC had a 115GH rate, Doge had 57GH. Doge was trading at .00003 LTC. On Jan 23, Doge had 95, LTC had 75, and Doge more than doubled in price to .0000675. (Litecoin has also dropped about $1 (~5%) in value in USD over the same period.)
This is likely why even though Dogecoin has more miners than LTC, Litecoin is still less profitable for Miners (at this precise moment). Dogecoin has increased in currency value more than it has decreased in mining value.
Thus, the fundamental question is what kind of change is required in the price of DOGE/LTC and what hashing ratio will LTC and DOGE settle on based on their current price. It's important to remember that LTC has not dropped in value significantly, Doge has simply rose dramatically.
Fundamentally, as long as LTC has some value, it will have some percentage of Scrypt hashing power devoted to it. The same is true for Doge. So as long as people still want both currencies to some degree, mining power will be split. *Depending on that split, Dogecoin will be safe if it has enough mining power to prevent a malicious third party, and if that mining power remains in the hands of a diverse group of DOGE mining pools. *
My next post will address the different needs of the Long term investor, the short term investor, and the casual owner. (Some want a long term stable currency, some want a dramatic increase in price (even if it hurts the currency long term)
Please feel free to leave comments about anything you disagree with, any changes I should make, any thoughts about other factors that could affect the health of the currency, any other subjects you'd like to see explored. Thanks!
submitted by harddata to dogecoin [link] [comments]

Is there a way to convert different types of cryptocurrency to each other?

Bitcoin seems to have seriously taken off these days, but I just found out other currencies such as Litecoin. Is there an exchange between the two? Can the two inter-operate in any way?
submitted by plazman30 to Bitcoin [link] [comments]

Litecoin beats Bitcoin in overall volume

As of today, Litecoin is now the #1 traded currency beating bitcoin's volume by 2.25 x.
http://www.cryptocoincharts.info/v2/coins/graphicalComparison
Edit: Not including huobi,chbtc, and fxbtc
submitted by erichlin to litecoin [link] [comments]

Daily Chart - Today's big Gainer

Bitcoin's price is currently surging past $5000 and currently trading around $5200, with traders keeping on the bullish trend as BTC/USD markets showcase gains close to 10% within the past 24 hours as the cryptocurrency reaches new all time highs.
Chart source:
https://cryptocoincharts.info/paibtc/usd/bitfinex/today
submitted by kamenoccc to CryptoMarkets [link] [comments]

Daily Chart - Today's big Gainer

Bitcoin Cash is the day's big gainer as the cryptocurrency scores gains over 50% over the last 24 hours. BCH/USD markets are continuing to live on the bullish trend after news of GDAX integrating the concurrency came out. Bitcoin Cash traders are now pushing prices closer to the resistance point of $4000, forming levels of support that could help sustain such levels.
Chart Source: https://cryptocoincharts.info/paibch/usd/kraken/today
submitted by kamenoccc to CryptoMarkets [link] [comments]

China Merchants Bank stopped working with OKCoin (China's largest bitcoin exchange by volume) - 11 days ago. Nobody cared. Now that BTC China also got the notice from this bank it's suddenly the big news reported by Bloomberg and Wall Street Journal

Lesson learned: If something happens to OKCoin or Huobi - nobody cares. But if the exchange has the name "China" in it, it's suddenly big news. Because "China".
submitted by coinwatcher to Bitcoin [link] [comments]

Daily Chart - Today's Big Gainer

Bitcoin continues to go through the bullish market sentiment as traders in BTC/USD markets keep on the rally with prices breaking through $15000 today with prices rising by more than 20% in the last 24 hours amid huge market wide trading volumes.
Chart Source:
https://cryptocoincharts.info/paibtc/usd/bitstamp/today
submitted by kamenoccc to CryptoMarkets [link] [comments]

Bitcoin Cash Soars?

it is now the third-largest cryptocurrency by volume, trailing the original bitcoin and ethereum’s ETH, according to https://cryptocoincharts.info/
submitted by Coin_Market to btc [link] [comments]

This is A Call to Action: Let's get Dogecoin accepted everywhere! Details inside.

Yesterday I had my first stroke of luck with this kind of thing. I had emailed a store that already supported cryptocurrency as payment (cryptosextoys.com) the day before. To my delight, I got an email back from them just a day after I sent it saying that they now supported Doge as payment. Wow! That wasn't that hard at all!
Here is our email correspondence:
My email:
Hello
I am a member of the Dogecoin community/economy. I am requesting that you accept Dogecoin in your store. Dogecoin is a grassroots movement of crypto enthusiasts who are passionate about spending their currency, rather than merely hoarding it. The Dogecoin economy is very distributed amongst its users. We are garnering support at an immense rate of speed. It would mean the world to all of us Dogecoin users if you would give us a great place to spend our money. As you can see in the linked graph, http://www.cryptocoincharts.info/v2/markets/show/cryptsy, Dogecoin is very popular, and its user base is growing rapidly. Out of all cryptocurrencies, our reddit subreddit is second to only bitcoin in number of subscribers (www.reddit.com/dogecoin). Our community is generous, light hearted, and ready to spend their Dogecoin. Please join us as we grow our economy. We will be sending business your way the moment you allow Dogecoin as payment.
Thanks, Matt
Their Response:
Hi,
Thanks for your email, I have added DOGE to the store, good luck with your coin!
Sam
"What an impact what one person can make!" I thought. Now, I know that at least one other person on this subreddit also contacted them, but the point remains the same: It can be very easy to convert merchants to accepting dogecoins, and afterall there are some real good reasons for merchants to do so! I don't know about you guys, but I am eager to spend my dogecoins as soon as the right stores start accepting it! Stores WILL realize that, if they're smart!
This is arguably the single thing dogecoin will need to be successful - merchants. We have some exchanges, and hopefully more to come in the future (we will seriously need to focus our efforts there as well). But merchants are going to be a key factor. People need a place to spend their dogecoin!
How will we accomplish giving people a place to spend their Dogecoin? Here is what I suggest: Go to this website, which has compiled a list of stores that already take one cryptocurrency, bitcoin : https://www.spendbitcoins.com/places/
The stores which most people seem to be in support of getting to accept Dogecoin I will list below this body of text as I check back periodically. I suggest hitting these popular places hard with emails. Ask yourself, guys: If this store took dogecoin, would I definitely spend them there? If the answer is "hell yes!" than those are the stores we all need to try to get on board asap.
Stores who have been contacted:
Nestor Games
somethinggeeky.com
fusa.be
Internet Access VPN
submitted by matty_t to dogecoin [link] [comments]

Daily Chart - Bitcoin Above $9000, Rallies Onto New All Time Highs

Bitcoin prices are currently reaching $9000, with BTC/USD markets reaching new all time highs as the cyptocurrency keeps rallying.
Chart Source:
https://cryptocoincharts.info/paibtc/usd/bitfinex/today
submitted by kamenoccc to CryptoMarkets [link] [comments]

Daily Chart - The Road to $10000 | x-post /r/CryptoMarkets

Bitcoin has kept rallying through the last few days, but now BTC/USD markets are faced with a resistance point that seems particularly hard to break. Prices have been looming around the $10k mark but traders have so far only been slowly chewing through large sell walls that form strong resistance at this point.
Chart Source:
https://cryptocoincharts.info/paibtc/usd/bitfinex/today
submitted by kamenoccc to BitcoinMarkets [link] [comments]

Brief overview of Ravencoin

This is a great, concise overview of Ravencoin. I pulled it from: https://cryptocoincharts.info/coins/show/rvn
"Ravencoin (RVN) is the brainchild of Bruce Fenton, organizer of the Satoshi Roundtable, board member of Medici Ventures and the Bitcoin Foundation. Ravencoin was first announced in October of 2017 at MIT. In the months leading to the official launch on January 3rd 2018, Ravencoin gained support at several conferences and colleges. Self-described as "...a use case specific blockchain designed to carry statements of truth about who owns what asset" Ravencoin's naming pays homage to the ravens of the fictional world of Westeros. In the two months after its launch, Ravencoin has seen an exponential groundswell of community support, including the support of the larger mining community. Ravencoin is the first coin to leverage the ASIC resistant x16r algorithm and is a completely Proof of Work(PoW) coin. No ICO was undertaken, and neither was a pre-mine utilized. Ravencoin has attracted many individuals to the community and project due to its fair and grassroots hallmarks of the original Bitcoin launch. Ravencoin differs however from Bitcoin with an increased block size, and a faster block time, features which developers have alluded to setting the groundwork for Ethereum style asset transfers and tokens."
submitted by mozmac to ravencointrader [link] [comments]

Coin-a-'Week': Peercoin (PPC)

Coin-a-Day Jan 3rd
Well, it's been more than a month since my last post, so I figured it's time to finally do this. I'm barely updating these, but I think it's somewhat interesting to see the changes that have happened over the almost half a year since I first wrote these.
Welcome to the third Coin-a-DayCoin-a-Week post! So far in this series we have talked about bitcoinbitcoin and dogecoindogecoin, which are proof-of-work coins. Today's coin is Peercoin (PPC), which is a "proof-of-stake" coin (actually a hybrid; more below).
Summary
• ~22 million available currently [1]; ~35 million in 2025, ~50 million in 2045, 1% annual inflation permanently [2]
• All-time high: ~$7 [3]
• Current price: ~$0.50; ~0.0017 BTC$0.30; 0.00128 BTC [1]
• Current market cap: ~$10.9 million $6.6 million [1]
• Block rate (average): 10 minutes [4]
• Transaction rate: 520 408 transactions in the last 24 hours, estimated ~$213,000 $83,600 [5]
• Transaction limit (currently): 7 transactions / second (?) [6]
• Transaction cost: Fixed at 0.01 PPC edit: per Kb [2]
• Rich list: Top 100 addresses hold 59.25% 59.52% [5]
• Exchanges: BTC-E mostly; BTC38 (Chinese); some volume on Cryptsy, The Rock Trading, and BTER as well [7]
• Processing method: Hybrid; proof-of-work and proof-of-stake
• Distribution method: proof-of-work block rewards and 1% inflation through proof-of-stake
• Community: Moderately active. [8]
• Code / development: https://github.com/ppcoin/ppcoin ; appears inactive, last release in April, last commit five months ago; however, developer Sunny King continues to give weekly updates and has announced an upcoming "cold-minting" feature [14] EDIT: Active pull request in progress. pull request; announcement; I was informed about this from the comment below; thanks Thireus !
Latest 0.5 version will be a mandatory upgrade with a two month release window. [15]
• Innovation or special value: First coin with proof-of-stake
Description:
So far we have covered two proof-of-work coins. This was the original type of coin. Peercoin introduced the concept of "proof-of-stake", where authority to generate a block was determined based on a brute-force hashing to reach a value less than a certain amount. In Peercoin's proof-of-staking, there is only one to check per unspent wallet-output per second, so there is very little demand for processing power and energy. The difficulty is decreased with increased coindays [9].
This model is argued by Peercoin supporters to be more efficient, since it obviates the need for a hardware arms-race and allows transaction processing by all stakeholders. The incentive for the stakeholders to "stake" (process transactions through proof-of-stake) is two-fold: first, in order to collect their 1% per coin-year reward, and second, to support the network they hold coins in, since the value of the coin is presumed to be related to the stability and reliability of its network.
There are a number of attacks which are argued to be possible in proof-of-stake which are not possible in proof-of-work [10]. There was a vulnerability which allowed generating a larger number of proof-of-stake blocks with a very small stake which took four months to close after public disclosure [11]. I wish I could provide a definitive answer about the security or vulnerability of this coin, but I am simply unaware of a good source at this point [12]. I have not found a "smoking gun" critique of the current system, but absence of proof, particularly when my "research" (googling) is so limited, and my exposure is so brief, is absolutely not to be taken for proof of absence. Today's challenge will focus on the security of Peercoin, and there will be a small reward for the best defense and the best critique.
Compared to the question of "is it secure?", I think the rest of the nuances like price history are relatively insignificant. In general, I expect that secure coins will continue to be transacted at some price level, and that they will often share a certain level of correlated price. Remember that I am not giving advice, but that's my take on it. So if there is no vulnerability to proof-of-stake, I expect it will continue to exist. And just as bitcoin has a strong place from being the first and having an active community, I expect that Peercoin would continue to have a place as the first proof-of-stake along with its smaller but also active community.
I had my concerns about the security resolved when this was posted. Like a whiny chump I'd gone through and deleted all of my stuff in a fit of pique, but the useful comments by TotalB00n are still there and may be useful reading.
The inactive development may not be an issue for now if there are no serious threats to Peercoin. Additionally, its blockchain is quite small, about 1/3rd of a Gigabyte currently[13], so the major feature of bitcoin's latest release, parallel block downloads, may be less relevant for peercoin.
[Note that the edit above on the code section is from the original time around. I'm too lazy to even look up whether or not there has been further development since, but it was at least somewhat active before, and perhaps didn't really need much.]
Community
Peercoin's community on Reddit (/peercoin) is relatively small, with less than 4k subscribers and no more than a couple posts a day. However, it appears on-topic and high-quality.
http://www.peercointalk.org/ looks active and significant. It is not comparable in size to a central hub like bitcointalk, but it is by no means dead.
There are additional community links on peercoin.net which I haven't explored.
Footnotes
[1] http://coinmarketcap.com/currencies/peercoin/
[2] https://github.com/ppcoin/ppcoin/wiki/FAQ
[3] http://www.cryptocoincharts.info/paippc/usd/btc-e/alltime I couldn't find anything just stating the number. And the UI here is terrible. But this approximately matches the coinmarketcap ATH in BTC with the BTC/USD at the time.
[4] http://en.wikipedia.org/wiki/Peercoin#Confirmations ; I wasn't sure if this accounted for PoS accurately as well, but given the last few hours shown at https://bkchain.org/ppc it does appear to be close ; don't ask me how it works, haven't taken the time to grok the whitepaper in detail yet ([9])
[5] https://bitinfocharts.com/ppcoin/
[6] I wasn't able to find a source addressing this. I'm presuming that since it's based on bitcoin and has 10 minute blocks, that it also shares the 1 Mb blocksize limit and that transactions are about the same size and thus the same 7 transactions / second current limit applies. I could absolutely be wrong about this; if you know better, please let me know and I will update. Given that this allows 604,800 transactions per day, and there weren't 0.1% as many transactions in the last 24 hours, I think it's safe to say this isn't a limiting factor for peercoin in the foreseeable future.
[7] http://coinmarketcap.com/currencies/peercoin/#markets
[8] Not as active as doge or bitcoin, but it looks like there's activity on http://www.peercointalk.org/, and /peercoin is quiet but not dead.
[9] http://www.peercoin.net/assets/papepeercoin-paper.pdf ; also available in many other languages (http://peercoin.net/whitepaper)
[10] http://www.reddit.com/CryptoCurrency/comments/2r6sqb/section_of_paycoins_source_code_designating_a/cnd096x 110101002 makes allegations along these lines. However, none of the critiques seem to be relevant and aware of the current Peercoin code. The claim is made that it was made centralized but I'm not aware of a Peercoin source that seems to make this claim. There are probably far better critiques and defenses of the security of Peercoin's proof-of-stake out there. I don't know how to best find them. This will be the topic for the challenges for this article.
[11] disclosure; acknowledgement; fix
[12] I have heard claims about "nothing-at-stake" attacks, which are based on the idea that a user might have stake in the system, then get the stake back, sell it, and then try to make their own chain building off the point where they had stake. This seems conceivable to me, but I do not know anywhere near enough to be able to make a reasonable argument one way or another. Unfortunately, most of the discussions on Proof-of-Stake seem more about ... well, there's no way to phrase it politely, but they don't seem to be reasoned consideration of the merits but just static.
http://www.peercointalk.org/index.php?topic=2351.0 - This is an example of a critique which is shot down. Is it valid? You decide. From reading their view of it, it sounds like not.
[13] http://www.reddit.com/peercoin
[14] I found this relatively late in my process glancing over /peercoin. http://www.peercointalk.org/index.php?topic=3733 The details of this feature will be considered out-of-scope for this article, already taking longer than I anticipated (as usual).
[15] https://www.peercointalk.org/index.php?topic=4107.0
Additional Reading
http://www.peercoin.net - main site; informative and useful links
/peercoin - somewhat quiet but still active and informative
https://bitcointalk.org/index.php?topic=793142.msg8933791#msg8933791 - Peercoin discussion thread
Peercoin whitepaper - (other languages available)
• peercointalk.org - Main discussion forum
Daily challenge
~~Every day I post a challenge worth about $1. The first two day's are still unattempted. Yesterday's has been awarded.
Today's challenge focuses on Peercoin security. A changetip $0.50 tip will be awarded to the comment which in my opinion provides the best information about vulnerabilities in Peercoin's current consensus algorithm / implementation. This may be a link to a source that provides this information or a comment, but a comment referencing fixed problems or simply asserting issues without support will not be accepted as qualifying.
On the other side will be a 1 PPC reward sent to the Peercoin address of your choice for the best argument supported with evidence that Peercoin's consensus algorithm is not vulnerable to any attack. This is a very broad claim, and I wouldn't know how to support it myself, but that's why I'm throwing it out there for discussion.
Making an argument for both sides is allowed and encouraged.~~
[I don't remember if I ever paid up on this. I think I might owe TotalB00n a couple PPC...]
Donations and Disclosure
It has come time again for me to note that I am not an authority nor should my words be used for anything other than entertainment. I am not providing investment advice and you should do your own research independently before you make any investment decisions. Cryptocurrencies may lose all value from technical flaws or simply a loss of faith in their value. Store your treasures in heaven, not on earth nor even in a blockchain. Be gentle and loving in deed and in thought.
I currently hold about 17 PPC.
If you would like to donate PPC to me directly, you may do so at: PDcpAFGWEAJDTey6ghY4FRvvphXv9zkjmn
Thank you all for reading and all of your support! This has already been a great experience for me and I'm looking forward to the excitement still to come.
Well, it doesn't get much lazier than that. Apparently PPC has dropped in price rather significantly since January. I don't know any of the news on it. Informative, eh?
...okay, I'll do a mild amount of "research". One moment.
Well, they have a new release coming out. [15] But I don't see anything obvious from a quick glance at top stories in that subreddit over the past year to see why it crashed over the last five months.
So...hey, let's go really lazy. Rather than me giving you the answers, why don't you tell me wtf happened here? xD
Up next: Nyancoin!
submitted by coinaday to CryptoCurrency [link] [comments]

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