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2. Bitcoin - Wikipedia

   en.wikipedia.org/wiki/Bitcoin

   Public data can sometimes be matched with known address owners. [88] Bitcoin exchanges might also need to collect personal data as per legal requirements. [89] For enhanced privacy, users can generate a new address for each transaction. [90] In the bitcoin network, each bitcoin is treated equally, ensuring basic fungibility. However, users and ...

3. Bitcoin protocol - Wikipedia

   en.wikipedia.org/wiki/Bitcoin_protocol

   A diagram of a bitcoin transfer. The bitcoin protocol is the set of rules that govern the functioning of bitcoin.Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all bitcoin transactions; mining and proof of work, the process to create new bitcoins and verify transactions; and ...

4. Cryptocurrency wallet - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_wallet

   An example paper printable bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spending. A cryptocurrency wallet is a device, [1] physical medium, [2] program or an online service which stores the public and/or private keys [3] for cryptocurrency transactions.

5. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   An example paper printable Bitcoin wallet consisting of one Bitcoin address for receiving and the corresponding private key for spending Main article: Cryptocurrency wallet A cryptocurrency wallet is a means of storing the public and private "keys" (address) or seed, which can be used to receive or spend the cryptocurrency. [ 83 ]

6. List of blockchains - Wikipedia

   en.wikipedia.org/wiki/List_of_blockchains

   Bitcoin: January 3, 2009 Satoshi Nakamoto: BTC. PoW with Nakamoto Consensus Yes (scripts) No No Probabilistic UTXO: First and most well-known blockchain of all; BTC is the most valuable token in terms of market share. [1] [2] Litecoin: Oct 8, 2011 Charlie Lee LTC PoW: Yes (scripts) Yes [1] [3] Peercoin: Aug 19, 2012 PPC PoW: Yes (scripts) No [1 ...

7. Blockchain - Wikipedia

   en.wikipedia.org/wiki/Blockchain

   In August 2014, the bitcoin blockchain file size, containing records of all transactions that have occurred on the network, reached 20 GB . [15] In January 2015, the size had grown to almost 30 GB, and from January 2016 to January 2017, the bitcoin blockchain grew from 50 GB to 100 GB in size.