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Coin Market Cap | Bitcoin trading

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Coin Summary
Rank 1 3
Price $8166.94 $0.672458
1 Hour -1.55% -1.7%
24 Hours -0.89% -2.52%
7 Days -13.21% -19.52%
Market Cap $138219000000 $26287500000
Volume (24h) $4738090000 $296145000
Coin Supply
Circulating Supply 16924200 BTC 39091700000 XRP
Total Supply 16924200 BTC 99992500000 XRP
Max Supply 21000000 BTC 100000000000 XRP
Other Details
Mineable Yes No
Coin Yes Yes
Token No No
Website Website
Website 2
Twitter @bitcoin @Ripple
Explorer Explorer
Explorer 2
Explorer 2
Message Board Message Board
Message Board 2
Message Board
Wallet Wallet Wallet
Chat Chat
Algorithm SHA256
Proof Type PoW
Start Date
DifficultyAdj. 2016 blocks
BlockRR. 50%
BlockNo. 504455
Network H/s 15947797923.82
Block Reward 12.5
Buy Sell Buy / Sell Instantly

Bitcoin uses peer-to-peer technology to operate with no central authority or banks; managing transactions and the issuing of bitcoins is carried out collectively by the network. Although other cryptocurrencies have come before, Bitcoin is the first decentralized cryptocurrency - Its reputation has spawned copies and evolution in the space.

With the largest variety of markets and the biggest value - having reached a peak of 18 billion USD - Bitcoin is here to stay. As with any new invention, there can be improvements or flaws in the initial model however the community and a team of dedicated developers are pushing to overcome any obstacle they come across. It is also the most traded cryptocurrency and one of the main entry points for all the other cryptocurrencies. The price is as unstable as always and it can go up or down by 10%-20% in a single day.

Bitcoin is an SHA-256 POW coin with 21,000,000 total minable coins. The block time is 10 minutes. See below for a full range of Bitcoin markets where you can trade US Dollars for Bitcoin, crypto to Bitcoin and many other fiat currencies too.

Learn about the history of Bitcoin here and check out 50 crazy-fun facts about Bitcoin here!

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Ripple positions itself as a complement to, rather than a competitor with, Bitcoin - the site has a page dedicated to Ripple for bitcoiners. Ripple is a distributed network which means transactions occur immediately across the network - and as it is peer to peer - the network is resilient to systemic risk. Ripples aren't mined - unlike bitcoin and its peers - but each transaction destroys a small amount of XRP which adds a deflationary measure into the system. There are 100 billion XRP at present.

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Mobile payments made easy Bitcoin on mobiles allows you to pay with a simple two step scan-and-pay. No need to sign up, swipe your card, type a PIN, or sign anything. All you need to receive Bitcoin payments is to display the QR code in your Bitcoin wallet app and let your friend scan your mobile, or touch the two phones together (using NFC radio technology).

Security and control over your money Bitcoin transactions are secured by military grade cryptography. Nobody can charge you money or make a payment on your behalf. So long as you take the required steps to protect your wallet, Bitcoin can give you control over your money and a strong level of protection against many types of fraud.

Works everywhere, anytime Just like with email, you don't need to ask your family to use the same software or the same service providers. Just let them stick to their own favorites. No problem there; they are all compatible as they use the same open technology. The Bitcoin network never sleeps, even on holidays!

Fast international payments Sending bitcoins across borders is as easy as sending them across the street. There are no banks to make you wait three business days, no extra fees for making an international transfer, and no special limitations on the minimum or maximum amount you can send.

Choose your own fees There is no fee to receive bitcoins, and many wallets let you control how large a fee to pay when spending. Most wallets have reasonable default fees, and higher fees can encourage faster confirmation of your transactions. Fees are unrelated to the amount transferred, so it's possible to send 100,000 bitcoins for the same fee it costs to send 1 bitcoin.

Protect your identity With Bitcoin, there is no credit card number that some malicious actor can collect in order to impersonate you. In fact, it is even possible to send a payment without revealing your identity, almost just like with physical money. You should however take note that some effort can be required to protect your privacy.

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  • Math-Based Currency
    A math-based currency, also referred to as a cryptocurrency, is a digital asset with verifiable mathematical properties, similar to how we can reliably verify gold as a substance made of atoms with 79 protons. Math-based currencies exist as digital assets in their own right and can be transferred directly between users (as fiat cash can be) without relying on a centralized protocol operator. XRP exists as a math-based currency on the Ripple protocol.
  • Abuse Protection
    The primary function of XRP is to protect the Ripple protocol against denial-of-service (DoS) spam attacks. Since the Ripple protocol is based around a shared ledger of accounts, a malicious attacker could create large amounts of “ledger spam” (such as fake accounts) and “transaction spam” (such as fake transactions) in an attempt to overload the protocol. This could cause the size of the ledger to become unmanageable and interfere with the protocol’s ability to quickly settle legitimate transactions.
  • Bridge Currency
    XRP has great value as a bridge currency. Because each gateway’s balances trade as distinct assets within Ripple, the number of potential currency pairings can become quite large. Instead of quoting every possible currency/gateway combination, XRP can serve as a useful bridge currency to enable these transfers. This is possible because if every currency is liquid to XRP, then every currency is liquid to every other currency:
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Balances - block chain The block chain is a shared public ledger on which the entire Bitcoin network relies. All confirmed transactions are included in the block chain. This way, Bitcoin wallets can calculate their spendable balance and new transactions can be verified to be spending bitcoins that are actually owned by the spender. The integrity and the chronological order of the block chain are enforced with cryptography.

Transactions - private keys A transaction is a transfer of value between Bitcoin wallets that gets included in the block chain. Bitcoin wallets keep a secret piece of data called a private key or seed, which is used to sign transactions, providing a mathematical proof that they have come from the owner of the wallet. The signature also prevents the transaction from being altered by anybody once it has been issued. All transactions are broadcast between users and usually begin to be confirmed by the network in the following 10 minutes, through a process called mining.

Processing - mining Mining is a distributed consensus system that is used to confirm waiting transactions by including them in the block chain. It enforces a chronological order in the block chain, protects the neutrality of the network, and allows different computers to agree on the state of the system. To be confirmed, transactions must be packed in a block that fits very strict cryptographic rules that will be verified by the network. These rules prevent previous blocks from being modified because doing so would invalidate all following blocks. Mining also creates the equivalent of a competitive lottery that prevents any individual from easily adding new blocks consecutively in the block chain. This way, no individuals can control what is included in the block chain or replace parts of the block chain to roll back their own spends.

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The Ledger and Consensus
The Ripple protocol is, at its core, a shared public database. This database includes a ledger, which serves to track accounts and the balances associated with them. The ledger is a distributed database — a perfect, shared record of accounts, balances, and transactions in the Ripple protocol. It is continually and automatically updated by the Ripple Transaction Protocol (RTXP) so that an identical ledger exists on thousands of servers around the world. At any time, anybody can review the ledger and see a record of all activity on the Ripple protocol. When changes are made to the ledger, computers connected to the Ripple protocol will mutually agree to the changes via a process called consensus. The Ripple protocol reaches consensus globally within seconds of a change being made. The consensus finding process is the engineering breakthrough that allows for fast, secure, and decentralized transaction settlement on the Ripple protocol.

The World’s First Distributed Exchange
No one owns or controls the Ripple protocol. It runs on computers around the world, all working together to continually maintain a perfect, shared record of accounts, balances, and transactions. Distributed networks offer many efficiencies over centralized networks. Because the network is “self-clearing”, it eliminates the need for a centralized network operator (and gets rid of the associated layer of fees). Because there is no single point of failure, distributed networks are more reliable. They also tend to be more secure, due to their open source nature.




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