blockchain
Finality
The guarantee that a confirmed blockchain transaction cannot be reversed, altered, or canceled. Different blockchains achieve finality at different speeds — Bitcoin transactions are considered final after about six confirmations (~60 minutes), while some Proof of Stake chains achieve finality in seconds.
Related terms
Every glossary term is educational only. Nothing on this page constitutes financial, investment, tax, or legal advice. Browse all 356 terms →
Spotted an error? Report it on GitHub — our correction policy