bitcoin

A decentralized cryptocurrency using blockchain technology.

We do not accept bitcoin at this store.

Bitcoin: A Peer-to-Peer Electronic Cash System [title] […] What is needed is an electronic payment system based on cryptographic proof instead of trust, allowing any two willing parties to transact directly with each other without the need for a trusted third party. […] In this paper, we propose a solution to the double-spending problem using a peer-to-peer distributed timestamp server to generate computational proof of the chronological order of transactions.

A unit of the bitcoin (proper noun proper noun sense 1) cryptocurrency.

This item costs one bitcoin.

The value of fiat money is determined by legal means (legal tender laws). In other words, fiat money is anything the government says in money. For instance, if the government says an IOU or a bitcoin is money, then it is money. The major currencies of the contemporary world are fiat money.

Alternative letter-case form of bitcoin.

And at least one group that was collecting donations in Bitcoins has decided against using them because of possible legal entanglements. […] “I’ve sold 24 collars, 13 leashes and 1 pair of ‘Disco Knickers’ with Bitcoin over the last few months,” she wrote in an e-mail. “The first order I had was for 42 BTC, which was worth about $40 at the time, but now those coins would be worth around $680! Originally I had a fixed Bitcoin price, but now I do a conversion based on the exchange rate.”