CoinTelegraph
BNB Chain is building a new layer-1 blockchain targeting more than 100,000 transactions per second and sub-50ms transaction preconfirmations, with a testnet scheduled to launch by the end of 2026.
The dual target puts the network in direct competition with the high-throughput alt-L1 cohort that has spent the last two years pushing transactions-per-second as the headline metric. The sub-50ms preconfirmation window is the more distinctive piece: preconfirmations let wallets and apps show a transaction as effectively settled to the user before final chain inclusion, a UX guarantee aimed at consumer-facing apps where a several-second confirmation wait still breaks the experience of a swap or a transfer.
Why it matters
Preconfirmations have been a quietly active R&D thread across the L1 space for the past year, with most production implementations still sitting in the 100ms to 500ms range. A sub-50ms target moves the conversation from "fast enough for a trader" to "fast enough to feel like a card swipe", which matters for payments, gaming, and social apps where the user is not waiting on a chart but on an action. A testnet by end-2026 puts the network roughly on the same delivery window as several other high-throughput L1 and L2 roadmaps that have publicly committed to mainnet in 2026 or 2027.
Market impact
BNB Chain already processes more daily transactions than most L1 competitors, so the new chain is a successor-positioning move rather than a capacity fix. Watch the testnet spec for validator hardware minimums, whether the preconfirmation guarantee is enforced cryptographically or simply by sequencer promise, and whether BEP-20 / BNB assets bridge natively or only via wrapped form at launch.
Frequently asked questions
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What throughput is BNB Chain targeting with its new L1?
More than 100,000 transactions per second, alongside sub-50ms transaction preconfirmations.
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When is the new BNB Chain L1 testnet expected to launch?
By the end of 2026, according to the project's announcement.
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Why does the sub-50ms preconfirmation target matter?
Preconfirmations let wallets show a transaction as effectively settled to the user before final chain inclusion. A sub-50ms target moves the perceived wait from several seconds to roughly card-swipe latency, which matters for payments, gaming, and consumer apps.
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How does this compare to other high-throughput L1 projects?
The 100K+ TPS target puts it in the same marketing bracket as other high-throughput alt-L1s. The sub-50ms preconfirmation window is more aggressive than most production implementations, which currently sit in the 100ms to 500ms range.
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What should readers watch for when the testnet goes live?
Three details will signal credibility: the validator hardware minimums, whether preconfirmations are enforced cryptographically or simply by sequencer promise, and whether BNB and BEP-20 assets bridge natively or only via wrapped form at launch.
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