Midnight Completes Ledger 9 Hard Fork as Mainnet Activity Tops One Million Transactions

Midnight's Ledger 9 hard fork adds private asset transfers, ECDSA and Keccak-256 support and a new proving target; mainnet passed 1M transactions.

November 10, 2026
Cryptonews

Midnight, the privacy-focused blockchain backed by Input Output Group, moved its mainnet to Ledger 9 in a hard fork on November 6, DiarioBitcoin and TokenPost reported. The upgrade adds private asset transfers, contract-to-contract calls (initially limited to unshielded data), unshielded event emission, and native support for ECDSA signatures, the Keccak-256 hash and secp256k1. TokenPost said the cryptography is aimed at developers building tools that bring private deposits from other chains onto Midnight. Reports describe the headline as private asset and stablecoin transfers, but the pages reviewed here only confirmed private asset transfers, so the stablecoin element is unconfirmed.

Midnight’s ledger release notes on GitHub, dated November 4, say proofs now target zk-stdlib v2 with midnight-circuits v7, while proofs made with zk-stdlib v1 still verify and the proof server adds zkir v3 support. Verifier keys for some contracts change and must be regenerated. Describing this as a fully rebuilt proving stack goes beyond what the notes state.

Balances and deployed contracts migrated automatically, but dApps and wallets need Midnight.js 5.0.0 and Wallet SDK 2.0.0, and indexers must reindex. DiarioBitcoin reported that the usual Preprod soak period was skipped, with Midnight citing pressing security considerations it did not detail.

Separately, Coinranking reported on October 28 that Midnight passed 1 million cumulative mainnet transactions, citing an Input Output Group post; daily transactions reached 47,714 on October 26.

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