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BNB Chain just announced it’s building an entirely new Layer 1 blockchain designed to process transactions in under 50 milliseconds with throughput exceeding 100,000 transactions per second. The testnet is slated for late 2026, with a mainnet launch expected in early 2027.
To put those numbers in context, the current BNB Smart Chain recently got its block time down to 0.45 seconds after the Fermi hard fork. Sub-50ms would be roughly nine times faster than that. The new chain isn’t meant to replace BSC. It’s meant to sit alongside it as a purpose-built arena for one specific use case: agentic trading.
A chain built for AI traders
The term “agentic trading” refers to AI-powered autonomous trading systems, the kind of bots that execute thousands of trades per second without human intervention.
The new L1 will complement BNB Chain’s existing stack, which currently includes BNB Smart Chain for general-purpose smart contracts, opBNB as a Layer 2 scaling solution, and Greenfield for decentralized storage. Adding a high-performance trading chain creates a four-pillar architecture, each piece optimized for a different job.
Sub-50ms transaction pre-confirmation is the headline number, but it’s worth noting that’s pre-confirmation, not full finality. Your trade gets acknowledged almost instantly, but the final settlement takes a bit longer.
The roadmap gets even more ambitious
The new L1 is actually just one piece of a broader 2026 Tech Roadmap that BNB Chain has laid out. The near-term goals focus on upgrading BSC itself to handle 20,000 TPS with sub-second finality through parallel execution and other technical optimizations.
Then there’s the longer-term vision. BNB Chain is projecting a next-generation trading chain that could support approximately 1 million TPS by employing what it calls a “hybrid compute architecture.” That timeline stretches from 2026 through 2028.
The Fermi hard fork, which already shipped, cut BSC block times to 0.45 seconds and reduced finality to approximately 1.1 seconds. BNB Chain has also reported zero downtime in 2025 and peak transaction volumes hitting 31 million daily.
How this stacks up against the competition
The Layer 1 performance wars have been heating up for a while. Solana regularly touts throughput in the thousands of TPS range in real-world conditions. Sui and Aptos have been making similar claims about sub-second finality. Monad, which hasn’t launched yet, is targeting 10,000 TPS with parallel execution on an EVM-compatible chain.
BNB Chain’s 100K TPS target would leapfrog all of them, at least on paper. The challenge is the gap between testnet benchmarks and mainnet reality. The late 2026 testnet launch will be the first real test of whether this vision is engineering reality or marketing aspiration.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
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