About hash functions:
Bitcoin uses SHA-256 to calculate block hashes and transaction IDs, and applies it twice (double SHA-256).
Proof of work works because hash results cannot be predicted in advance; finding a hash that meets the difficulty requires repeated attempts.
$BTC 82960（-0.15%）
#BTC
Bitcoin uses SHA-256 to calculate block hashes and transaction IDs, and applies it twice (double SHA-256).
Proof of work works because hash results cannot be predicted in advance; finding a hash that meets the difficulty requires repeated attempts.
$BTC 82960（-0.15%）
#BTC