Knowledge Notes | Adam Back
① Adam Back is a cryptographer who proposed Hashcash in 1997.
② Hashcash was originally designed to combat spam and denial-of-service attacks: senders had to solve a hash puzzle first.
③ When you come across a project claiming to have the backing of Bitcoin veterans, check their public accounts to verify.
$BTC 66581.2（-3.28%）
① Adam Back is a cryptographer who proposed Hashcash in 1997.
② Hashcash was originally designed to combat spam and denial-of-service attacks: senders had to solve a hash puzzle first.
③ When you come across a project claiming to have the backing of Bitcoin veterans, check their public accounts to verify.
$BTC 66581.2（-3.28%）
