Comparateur collaboratif
Bitcoin is a digital currency and also refers to the open source
software that uses it, and the peer-to-peer network that it
forms.
Unlike most currencies, Bitcoin does not rely on trusting any central issuer. Bitcoin uses a distributed database spread across nodes of a peer-to-peer network to journal transactions, and uses cryptography in order to provide basic security functions, such as ensuring that bitcoins can only be spent by the person who owns them, and never more than once.
Irreversible transactions of any value can be sent internationally in moments for next to no significant cost.
Unlike most currencies, Bitcoin does not rely on trusting any central issuer. Bitcoin uses a distributed database spread across nodes of a peer-to-peer network to journal transactions, and uses cryptography in order to provide basic security functions, such as ensuring that bitcoins can only be spent by the person who owns them, and never more than once.
Irreversible transactions of any value can be sent internationally in moments for next to no significant cost.
| Bitcoin | |
|---|---|
| Date de création | 2009-01-03 |
| Concept | PoW |
| Algo hash | SHA-256 |
| Nombre d'unités max | 21000000 BTC |
| Intervalle entre bloc de transactions | 10 min |
| Site web | http://www.bitcoin.org/ |
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