SHA-256
By CoinGecko | Updated on Mar 03, 2020
A cryptographic hash function that generates a 256-bit signature for a text, used in Bitcoin Proof-of-Work (PoW). Standing for “Secure Hash Algorithm”, it is one of the SHA-2 algorithms, first designed by the NSA.
Related Terms
Permissioned Blockchain
It is a private blockchain where the nodes must be previously authorized by a central entity.
Cold Wallet
Wallets that are offline and require physical access to certain devices (eg. hardware wallet, paper wallets)
Sim Swapping
It is a tactic where hacker overtake the mobile phone to exploit the two-factor authentication and two-step verification.
MicroBitcoin (uBTC)
One millionth of a bitcoin or 0.000001 of a bitcoin. Microbitcoin is the abbreviation of uBTC and often misunderstood as the fork of Bitcoin.
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