PANews reported on May 7th that several Layer 1 public chains in the top 30 by market capitalization have recently been compared in terms of finality confirmation time . TON completes block finality confirmation in approximately 0.6 seconds, with the entire process taking about 1 second; Avalanche C-Chain and BNB Smart Chain documents both claim to achieve irreversible finality in approximately 1 second. Hedera's finality takes about 2-3 seconds, while XRP Ledger and Stellar generally complete ledger confirmation in about 3-5 seconds. Solana uses a delayed confirmation of approximately 32 slots for consensus . PoW public chains such as Bitcoin and Litecoin still rely on the multi-block confirmation convention; Ethereum requires two epochs , approximately 12.8 minutes, and Cardano's design requires approximately 1 day for finality confirmation.