Altcoins

CREDIT Crypto a Hit Among Emerging Markets (bitcoinnews.com) 12/05/2019 - 8:49am
Johannesburg blockchain project and trading platform TERRA has been making headway via 8 products designed specifically for emerging markets like Nigeria. These 8 products are complementary to TERRA’s main offering, the decentralized cryptocurrency CREDIT. Product Line Up The products — MiniPOS, Terra.Credit, Terra Hub, The Tellus Ecosystem, Terra...
Altcoins, API, bitcoinnews.com, bitcoinnews.com, Blockchain, Coin, Colombia, Crypto, Cryptocurrency, Decentralized, Exchange, Fiat, Global Cryptocurrency, How To, Ledger, Ledger, Network, Nigeria, Node, Platform, Spot, Staking, Token, USD, Wallet
Morgan Stanley Developers Launch Crypto Derivatives Exchange Phemex (coinspeaker.com) 12/05/2019 - 7:43am
Coinspeaker Morgan Stanley Developers Launch Crypto Derivatives Exchange Phemex As the crypto markets continue to move on a roller coaster, it seems like adoption is growing steadily. A group of eight former Morgan Stanley core developers announced the launch of Phemex. Phemex is a ‘high-speed’ cryptocurrency derivatives platform that is well-...
Address, Altcoins, Banking Cartel, Bitcoin, Blockchain, coinspeaker.com, coinspeaker.com, Crypto, Cryptocurrency, Derivatives Market, EOS, Ether, Ethereum, Exchange, Fiat, Futures, Leverage, Litecoin, Market, Platform, Serve, Shift, Singapore, Tao, USD, Volume, Wallet, XRP
Dogecoin Faces a Firm Resistance Above 0.0023; Hits a Fresh 30-day Low (cryptonewsz.com) 12/05/2019 - 7:23am
Dogecoin gives a fresh 30-day low around $0.0021 price area The coin is supported by the 10-day & 50-day MA after rising from $0.0020 There has been a rapid fall of Dogecoin value in 5 days from $0.0023 to $0.0021 Dogecoin trades with moderate volatility just like any other altcoin in the market as the … The post Dogecoin Faces a Firm...
Altcoin, Altcoin, Altcoins, Coin, cryptonewsz.com, cryptonewsz.com, Dogecoin, Market, Volatility
What Pumped Bitcoin (BTC)? Prices up $500 in 1 hour (coingape.com) 12/05/2019 - 7:00am
From price action, Bitcoin traders couldn’t wish for better. After two weeks of suffering and “pain,” the last hour’s welcomed blissful upswing may well be the beginning of the new rally through to Q1 and 2 2020. BTC prices are bottoming up much to the excitement of traders and HODLers, adding $500 in one short hour. Bitcoin Supportive...
Altcoins, Bitcoin, BitMEX, BitMEX, Bull, coingape.com, coingape.com, Crypto, Derivative, Futures, Gains, Halving, Litecoin, Market, Short, Stellar, Stellar
Crypto Exchange bitFlyer Launches “Instant Buy” Option to Streamline Crypto (insidebitcoins.com) 12/05/2019 - 6:25am
The Japanese bitFlyer is one of the world’s leading crypto exchanges, officially recognized by Bitwise to be one of the only ten exchanges that list “real” trading volumes . The company has subsidiaries in both the US and Europe that facilitate trade within these regions. Launching the New Instant Buy The company has recently announced the launch...
Altcoins, bitFlyer, bitFlyer, Crypto, Ethereum, Ethereum Classic, Exchange, insidebitcoins.com, insidebitcoins.com, Japan, Lisk, MonaCoin, Option, Platform
Digital Assets and Stablecoins To Be Increasingly Monitored by US Regulators (insidebitcoins.com) 12/05/2019 - 6:20am
Steven Mnuchin, US Treasury Secretary, and Jerome Powel, Chairman of the Federal Reserve, both urged state and federal officials to increasingly monitor digital assets. FSOC: Crypto Must Be Watched Through the annual report sent by the Financial Stability Oversight Council (FSOC) that came on Wednesday, the group urges other firms to monitor the...
Altcoins, Banking Cartel, Blockchain, Centralized, China, Crypto, Decentralized, Distributed, Distributed Ledger, Exchange, Futures, Important People, insidebitcoins.com, insidebitcoins.com, International..., Ledger, Ledger, Libra, Long, Market, Securities and Exchange Commission (SEC), Trump
Bitcoin’s Bart Pattern Makes Another Appearance [Premium Analysis] (beincrypto.com) 12/05/2019 - 6:12am
The Bitcoin price just completed a Bart pattern to the downside and is in the process of completing another one. The latter could take the price to $7200 or below. On December 4, the Bitcoin price initiated a rapid upward movement, which could have been caused by a massive transfer of Tether to the OKEx exchange . However, it retraced completely...
Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Exchange, Gains, Long, Market, OKEx, OKEx, OKEx, RSI, Short, Tether, Tether
Miami Dolphins' Partnership With Litecoin Gives Fans More Options - Front Office Sports (frntofficesport.com) 12/05/2019 - 6:07am
Miami Dolphins' Partnership With Litecoin Gives Fans More Options Front Office Sports
Altcoins, frntofficesport.com, Litecoin
Bitcoin Cash – ABC, Litecoin and Ripple Daily Analysis – 05/12/19 - Yahoo Finance (finance.yahoo.com) 12/05/2019 - 5:56am
Bitcoin Cash – ABC, Litecoin and Ripple Daily Analysis – 05/12/19 Yahoo Finance
Altcoins, Bitcoin, Bitcoin Cash, Bitcoin Cash, Cash, finance.yahoo.com, Litecoin, Mainstream Media, Ripple, XRP
Ethereum News Today – Headlines for December 5 (smartereum.com) 12/05/2019 - 5:29am
Ethereum may soon break out against Bitcoin The charts of ETH against BTC show signals last seen before the first ETH alt-season Ethereum News Today – All through this year, altcoins such as Ethereum (ETH), XRP (XRP), and others have wholly underperformed next to BTC. Only a few digital currencies such as Binance Coin (BNB) and Chainlink were able...
Altcoins, Binance, Binance, Binance Coin, Bitcoin, Chainlink, Coin, Dominance, Ethereum, Market, smartereum.com, smartereum.com, XRP
Yearly Bitcoin Moving Averages May Indicate the Bottom Is Near (beincrypto.com) 12/05/2019 - 5:28am
The Bitcoin 50- and 100-week moving averages are in the process of making a bullish cross. In the previous market cycle, this cross led to the all-time high price — as this same cross preceded the entire upward move. On December 4, the Bitcoin price underwent a very rapid increase, followed by a very rapid decrease. It is possible that this was...
Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Block, Block Reward, Breakout, Close, Exchange, Halving, Long, Market, OKEx, OKEx, OKEx, Tether, Tether, Yellow
Bitcoin Analysis for 2019-12-05 [Premium] (beincrypto.com) 12/05/2019 - 5:07am
The Bitcoin price is trading inside a descending channel. It initiated a rapid upward move yesterday, which retraced completely afterward. Longer time-frames give a bearish outlook. Bitcoin Price Highlights The Bitcoin price is trading inside a descending channel. It made a rapid upward move which retraced completely. There is resistance at $7,900...
Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Close, Long, Market, Volume
Litecoin News Today – Top Headline for Litecoin LTC December 5th, 2019 (smartereum.com) 12/05/2019 - 4:53am
Litecoin Foundation begin fundraising for implementation of MimbleWimble Charlie Lee endorses the MimbleWimble fundraising scheme The relationship between Litecoin and MimbleWimble seems to be waxing strongly as users can now participate fully in the funding enterprise with Charlee Lee. Briefly, after David Burkett, the lead developer of the Grin...
Altcoins, Blockchain, Grin, Litecoin, Network, Protocol, smartereum.com, smartereum.com
Fantom Heading Towards 200 Satoshis, According to Analyst (beincrypto.com) 12/05/2019 - 4:18am
The Fantom price has been increasing since it reached a low on October 26. On November 26, it broke out above its current resistance area and validated it as support afterward. The Fantom Foundation ( @FantomFDN ) recently announced that its technology will be used in the health sector. This is also the first initiative of the Afghan government to...
Altcoins, beincrypto.com, beincrypto.com, Blockchain, Breakout, Correction, Crypto, Fantom, Flipping, Long, Market, Oversold, RSI, Satoshi Nakamoto
Mike Novogratz Is Likely to Purge Off the Unprofitable Pantera ICO Fund (coinspeaker.com) 12/05/2019 - 3:25am
Coinspeaker Mike Novogratz Is Likely to Purge Off the Unprofitable Pantera ICO Fund In general, the fund that made a bet on different unknown coins is experiencing major troubles. The long-awaited “altcoin season” didn’t come.ICO Funds Related to Shitcoins are Receiving the HeatAccording to the sources, ICO designated portfolios are losing most of...
Altcoin, Altcoin, Altcoins, Bitcoin, Bitcoin Cash, Bitcoin Cash, Bitcoin Exchanges, BLUE, Cash, coinspeaker.com, coinspeaker.com, Crypto, Gains, Grey, HEAT, ICO, Long, OneCoin, Scam, Serve, Shift, Token, Zero
DigiByte Delisted from Poloniex After Project Founder Criticizes Exchange (beincrypto.com) 12/05/2019 - 2:52am
United States-based digital assets exchange, Poloniex, has delisted the payments-focused cryptocurrency, DigiByte. The cryptocurrency community and those within the industry seem to think that the delisting is a consequence of a string of criticisms made by DigiByte founder, Jared Tate, aimed at TRON founder and CEO Justin Sun United States-based...
Altcoins, AXE, beincrypto.com, beincrypto.com, Binance, Binance, Blockchain, Centralized, CEO, Close, Colored Coins, Cred, Crypto, Cryptocurrency, Decentralized, DigiByte, DigiByte, Ethereum, Exchange, Important People, Long, Network, Platform, Poloniex, Poloniex, Token, TRON, United States
BitFlyer Europe users can now buy crypto with credit cards (theblockcrypto.com) 12/05/2019 - 2:10am
Cryptocurrency exchange BitFlyer, recognized as one of the ten exchanges with “real” trading volumes by asset management firm Bitwise, has just made it easier for users to buy cryptocurrencies. The exchange’s European unit announced Thursday that it has added an “Instant Buy” facility on its platform, allowing users to purchase cryptocurrencies...
Altcoins, Bitcoin, Bitcoin Cash, Bitcoin Cash, bitFlyer, bitFlyer, Cash, Crypto, Cryptocurrency, Ether, Exchange, Japan, Lisk, Litecoin, MonaCoin, Platform, theblockcrypto.com, theblockcrypto.com, XRP
Litecoin (LTC) Breaks the Downtrend; Maintains the Price around $44 (cryptonewsz.com) 12/05/2019 - 2:00am
Litecoin maintains its price around $44 despite the 0.35% decline over the last 24 hours LTC price may soon touch $46.29 as its next resistance Litecoin seems to have stopped the freefall of its price against USD. It has maintained its value around 44 USD for the whole day, and the three price variations have … The post Litecoin (LTC) Breaks the...
Altcoins, cryptonewsz.com, cryptonewsz.com, Litecoin, USD
Almost 70 crypto hedge funds have closed this year as institutional investors shy away (theblockcrypto.com) 12/05/2019 - 1:35am
Nearly 70 crypto-focused hedge funds that largely cater to institutional investors, such as pension funds and family offices, have closed this year. The number of new funds launched this year is also less than half the number of launches in 2018, according to U.S.-based Crypto Fund Research, as reported by Bloomberg Wednesday. Region-wise, North...
Altcoins, Bitcoin, Blockchain, Coin, Crypto, Cryptocurrency, Digital Currency, Market, theblockcrypto.com, theblockcrypto.com, Venture Capital, XRP
Litecoin Downtrend Will Not End Soon, Suggests Analyst (beincrypto.com) 12/05/2019 - 1:08am
The Litecoin price has been decreasing since June, having lost 70% of its value measuring from the high. However, it is approaching a significant fib support level and could initiate an upward move within the next few months. The fundamental outlook for Litecoin does not look very good, with the hash rate consistently falling . Also, this has...
Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Breakout, Bull, Correction, Gains, Hash, Litecoin, Market, RSI
Circle CEO Steps Down, Will Remain on Board (insidebitcoins.com) 12/05/2019 - 12:49am
The CEO of Circle, a company that tries to help users invest in cryptocurrencies easily, is stepping down at the end of December, reports CoinDesk . His name is Sean Neville and he will remain on the board after his tenure. Unfortunately, we aren’t exactly sure as to why Neville is leaving the project. But, as the publication states, the former...
Altcoins, CEO, Coinbase, Coinbase, CoinDesk, Cryptocurrency, Important People, insidebitcoins.com, insidebitcoins.com, Market, Poloniex, Poloniex
Top 3 price prediction Bitcoin, Ethereum, Ripple: Crypto market is changing and not only in prices (fxstreet.com) 12/05/2019 - 12:49am
The cryptocurrency market has calmed down after a short period of wild volatility on Wednesday. Bitcoin and all major attempt a recovery after a sharp sell-off. Litecoin is trading at $44.33 after a ...
Altcoins, bing.com, Bitcoin, Crypto, Cryptocurrency, Ethereum, fxstreet.com, Litecoin, Market, Ripple, Short, Volatility, XRP
Canadian bitcoin mining firm goes bankrupt with CA$13 (invezz.com) 12/05/2019 - 12:41am
Ali holds a master's degree in finance and enjoys writing about cryptocurrencies and fintech. Ali’s work has been published on a number of cryptocurrency publications.
Altcoins, bing.com, Bitcoin, Cryptocurrency, invezz.com, Mining
Bitcoin & Crypto Market Turn Red Again: BCH, XLM, EOS, TRX Analysis (newsbtc.com) 12/05/2019 - 12:30am
The total crypto market cap jumped from $188.0B, but it failed to stay above $200.0B. Bitcoin price rally above the $7,500 level was completely reversed. BCH price is somehow holding the key $205 and $200 support levels. EOS price is facing a strong resistance near the $2.700 area. Stellar (XLM) price could continue to move down towards the main $...
Altcoins, Bitcoin, Bitcoin Cash, Bitcoin Cash, Cash, Crypto, Cryptocurrency, DECENT, EOS, Ethereum, Litecoin, Market, NEWSBTC, newsbtc.com, newsbtc.com, Ripple, Stellar, Stellar, TRON, XRP
Will national currencies start moving to the blockchain in 2020? (bmmagazine.co.uk) 12/05/2019 - 12:16am
There has been a tremendous amount of interest in cryptocurrencies on the blockchain recently. Given the huge price fluctuations in coins such as Bitcoin, it is easy to see why they appeal to bold ...
Altcoins, bing.com, Bitcoin, Blockchain, bmmagazine.co.uk
SHC Seeks FIA’s Response Against Ban on Cryptocurrencies in Pakistan (propakistani.pk/2019/12/05/shc-seeks-fias-response-fia-against-ban-on-cryptocurrencies-in-pakistan/) 12/05/2019 - 12:12am
SBP banned BitCoin, PakCoin, LiteCoin, OneCoin, Pay Diamond, and DasCoin in Pakistan. The central bank argued that tokens of Initial Coin Offerings (ICO), the cryptocurrency industry’s equivalent to ...
Altcoins, Banking Cartel, bing.com, Bitcoin, Coin, Cryptocurrency, DasCoin, Diamond, ICO, Litecoin, OneCoin, Pakcoin, Pakistan, propakistani.pk/2019/12/05/shc-seeks-fias-response-fia-against-ban-on-cryptocurrencies-in-pakistan/
Ethereum Decreases Below Significant Support as Analyst Warns of Lower Prices (beincrypto.com) 12/04/2019 - 11:53pm
The Ethereum price recently broke down below a significant support area. Whether it reclaims the support area or validates it as resistance will have major implications for the future ETH price movement. Technical analyst and trader @cryptodude suggested that the Ethereum chart has just made a clean break below a support area before validating it...
Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Correction, Crypto, Ethereum, FLIP, Long, Market, Oversold, REKT, RSI, Short
EU agrees tough line on digital currencies like Facebook's Libra (news.yahoo.com) 12/04/2019 - 11:12pm
Stablecoins are digital currencies, like Libra, that are usually backed by traditional money and other securities, while crypto coins like bitcoin are not. Both are cryptocurrencies. Under sustained ...
Altcoins, bing.com, Bitcoin, Crypto, Facebook, Libra, news.yahoo.com
‘Altcoin Season’ Invalidation Case Made By Cryptocurrency Analyst (beincrypto.com) 12/04/2019 - 9:23pm
The total altcoin market cap began an upward movement on September 24. It gradually increased until November, before breaking down. On November 25, it reached a lower low than on September 24, invalidating the upward movement. While several altcoins have been posting double-digit increases on the daily, such as Ravencoin , which has increased by...
Altcoin, Altcoin, Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Breakout, Case, Crypto, Cryptocurrency, Long, Market, Ravencoin, RSI, Short
Estonian crypto startup BitcoinBlink rolls out crypto exchange (thepaypers.com) 12/04/2019 - 9:05pm
The new website allows users to trade popular currencies including Bitcoin (BTC), Ethereum (ETH), Ripple (XRP), Litecoin (LTC), and Bitcoin Cash ABC (BCH ABC). Additional crypto will become available, ...
Altcoins, bing.com, Bitcoin, Bitcoin Cash, Bitcoin Cash, Cash, Crypto, Ethereum, Exchange, Litecoin, Mainstream Media, Ripple, Startup, thepaypers.com, XRP
Blockchain in India seeks to help victims of sexual assault (bitcoinwarrior.net) 12/04/2019 - 8:07pm
Taking the blockchain technology’s real-world use cases a step further, Tiwari is hopeful that the Indian government legalizes the use of cryptocurrencies in the future so that her project Smashboard, ...
Altcoins, bing.com, bitcoinwarrior.net, Blockchain, India
Litecoin (LTC) Price Analysis: Risk of Additional Losses (livebitcoinnews.com) 12/04/2019 - 7:34pm
The pair is likely to extend its decline below the $44.00 and $42.00 levels in the near term. Litecoin price is trading in a major downtrend against the US Dollar and bitcoin. LTC price could ...
Altcoins, bing.com, Bitcoin, Litecoin, livebitcoinnews.com, Pair
Bitcoin Golden Cross Could Indicate the Beginning of an Upward Trend (beincrypto.com) 12/04/2019 - 7:32pm
The Bitcoin price has been decreasing since late October. A bullish cross between long-term moving averages (MA) suggests that it might begin an uptrend. However, similarities to the previous time this occurred are somewhat ambiguous. Charter and investor @davthewave stated that the cross of the aforementioned MAs is giving a bullish outlook in...
Altcoins, beincrypto.com, beincrypto.com, Bitcoin, Long, Market, Short
Will Crypto Save Iran from a Financial Crisis? (bitcoin.worldnewsoffice.com) 12/04/2019 - 7:15pm
Iran is inching closer towards the financial crisis due to sanctions, but the country might still turn to cryptocurrencies for help. Iran is in a bad place right now, as the US officials state that the country’s finances might be in a worse situation than they believed. The country’s damaged economy has been sparking protests for a while now, and...
Altcoins, Bitcoin, bitcoin.worldnewsoffice.com, Crypto, Iran, worldnewsoffice
An Indian app is using blockchain to transform the way women talk about sexual abuse (scroll.in/article/945803/an-indian-app-is-using-blockchain-to-transform-the-way-women-talk-about-sexual-abuse) 12/04/2019 - 7:04pm
Tiwari, though, believes that should the Indian government regulate and legalise cryptocurrencies, blockchain would also enable Smashboard to launch a coin offering called SMASH, a cryptocurrency to ...
Altcoins, bing.com, Blockchain, Coin, Cryptocurrency, scroll.in/article/945803/an-indian-app-is-using-blockchain-to-transform-the-way-women-talk-about-sexual-abuse
Bitcoin Price Prediction: BTC/USD recovery stalled at $7,400 – Confluence Detector (fxstreet.com) 12/04/2019 - 6:53pm
The cryptocurrency market has calmed down after a short period of wild volatility on Wednesday. Bitcoin and all major attempt a recovery after a sharp sell-off. Litecoin is trading at $44.33 after a ...
Altcoins, bing.com, Bitcoin, Cryptocurrency, fxstreet.com, Litecoin, Market, Short, USD, Volatility
UAE Central Bank says it does not approve any private cryptocurrencies (msn.com) 12/04/2019 - 6:36pm
The Central Bank of the UAE denied on December 4, the claims of an article published on a "potentially fraudulent website," which said that the Governor of the Central Bank endorses a private ...
Altcoins, Banking Cartel, bing.com, msn.com
BitFlyer Europe users can now buy crypto with credit cards (finance.yahoo.com) 12/04/2019 - 6:18pm
Cryptocurrency exchange BitFlyer, recognized as one of the ten exchanges with “real” trading volumes by asset management firm Bitwise, has just made it easier for users to buy cryptocurrencies. The ...
Altcoins, bing.com, bitFlyer, bitFlyer, Crypto, Cryptocurrency, Exchange, finance.yahoo.com
Ethereum Fractal Suggests Altcoins Could Soon Outperform Bitcoin - newsBTC (newsbtc.com) 12/04/2019 - 6:01pm
Ethereum Fractal Suggests Altcoins Could Soon Outperform Bitcoin newsBTC
Altcoins, Bitcoin, Ethereum, NEWSBTC, newsbtc.com
Ethereum Fractal Suggests Altcoins Could Soon Outperform Bitcoin (newsbtc.com) 12/04/2019 - 6:00pm
Throughout 2019, altcoins like Ethereum , Ripple, and others, have grossly underperformed next to Bitcoin, sans a few outliers like Chainlink, or Binance Coin, who had breakout years themselves in 2019. But according to a very accurate-looking fractal on ETH/BTC price charts, Ethereum could soon break out against Bitcoin , helping to propel...
Altcoin, Altcoin, Altcoins, Bear, Binance, Binance, Binance Coin, Bitcoin, BLUE, Breakout, Bubble, Bubble, Chainlink, Change, Close, Coin, Crypto, Cryptocurrency, Ethereum, FLIP, Long, Market, Narrative, NEWSBTC, newsbtc.com, newsbtc.com, Oversold, Pair, Ripple, Short, Waves, XRP
The Cryptocurrency Market Update: Bitcoin bulls try to regain control (fxstreet.com) 12/04/2019 - 5:31pm
Bitcoin (BTC) returned to the previous range after a bout of volatility. Altcoins are moving in sync with the first digital currency. The cryptocurrency market has calmed down after a short period of ...
Altcoins, bing.com, Bitcoin, Cryptocurrency, Digital Currency, fxstreet.com, Market, Short, Sync, Volatility
aXpire (AXPR) Price Tops $0.0028 on Top Exchanges (modernreaders.com) 12/04/2019 - 4:56pm
It is usually not presently possible to purchase alternative cryptocurrencies such as aXpire directly using U.S. dollars. Investors seeking to acquire aXpire should first purchase Bitcoin or Ethereum ...
Altcoins, aXpire, bing.com, Bitcoin, Ethereum, modernreaders.com
Japan’s Haruhiko Kurado claims there is no demand for CBDCs (bitcoin.worldnewsoffice.com) 12/04/2019 - 4:28pm
Despite the fact that many nations are moving towards understanding cryptocurrencies and their underlying blockchain technology, Japan has remained skeptical of it. The Governor of the Bank of Japan, The post Japan’s Haruhiko Kurado claims there is no demand for CBDCs appeared first on AMBCrypto.
Altcoins, Bitcoin, bitcoin.worldnewsoffice.com, Blockchain, Japan, worldnewsoffice
DNotes (NOTE) Price Down 6.5% Over Last Week (theenterpriseleader.com) 12/04/2019 - 4:20pm
It is usually not presently possible to buy alternative cryptocurrencies such as DNotes directly using US dollars. Investors seeking to trade DNotes should first buy Ethereum or Bitcoin using an ...
Altcoins, bing.com, Bitcoin, DNotes, Ethereum, theenterpriseleader.com
Unify (UNIFY) Trading Down 7.6% Over Last 7 Days (modernreaders.com) 12/04/2019 - 4:19pm
It is usually not presently possible to buy alternative cryptocurrencies such as Unify directly using U.S. dollars. Investors seeking to trade Unify should first buy Bitcoin or Ethereum using an ...
Altcoins, bing.com, Bitcoin, Ethereum, modernreaders.com, Unify
Subscribe to All Bitcoin News & Videos Subscribe to Altcoins