BSC Block Finalization Hits 0.​65 Seconds

⚡ Faster Than Sneezing

By BNB Smart Chain
Jun 18, 2026, 2:31 PM
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BNB Smart Chain (BSC) has achieved block finalization in approximately 0.​65 seconds, marking a significant performance milestone.​

Key Performance Comparison:

  • BSC block finalization: ~0.​65 seconds
  • Ethereum block time: ~12 seconds
  • Bitcoin block time: ~10 minutes
  • 70x faster than BSC's 2022 performance

This speed improvement follows a series of network upgrades over the past year, including Fermi (0.​45s), Maxwell (0.​75s), and Lorentz (~1.​5s).​ The recent Osaka/Mendel upgrade focused on network stability rather than further speed increases.​

Sources

A block on BSC now finalizes in ~0.65 seconds. Things that take longer: 🔸 A sneeze 🔸 Saying "zero point six five seconds" out loud 🔸 A contactless card beep 🔸 The microwave finishing its last beep 🔸 A camera autofocus locking on 🔸 Tapping "send" and immediately regretting

BNB Chain Developers
BNB Chain Developers
@BNBChainDevs

BSC has achieved sub-second finality, with blocks going from production to finalization in ~0.65s. That's a 70x improvement from 2022, closed by four carefully sequenced protocol upgrades over four years 👇 bnbchain.org/en/blog/how-bs… Here's how BSC achieved sub-second finality and

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