[Comparison of Finality Times Across Multiple Mainstream Layer1 Blockchains: TON, Avalanche, BNB Around 1 Second] Several Layer1 blockchains ranked in the top 30 by market capitalization have recently been compared in terms of finality times. TON achieves block finality in approximately 0.6 seconds, with an overall time of around 1 second. Documentation for Avalanche C-Chain and BNB Smart Chain both claim irreversible finality can be achieved in about 1 second. Hedera reaches finality in approximately 2-3 seconds, while XRP Ledger and Stellar generally complete ledger confirmation in around 3-5 seconds. Solana employs a delayed confirmation mechanism of approximately 32 slots in its consensus process.