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Phase 4 — Post-Quantum Cryptography (CRYSTALS-Dilithium)

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@ChronoCoders ChronoCoders released this 01 Jun 04:29
· 61 commits to main since this release
v0.4.0
36a98f9

Phase 4 of the Ferrous roadmap: full migration from ECDSA to post-quantum signatures.

Highlights

  • CRYSTALS-Dilithium (ML-DSA-65, NIST FIPS 204) replaces ECDSA for all transaction signatures.
  • bech32m P2DL addresses (tfrr1… testnet / frr1… mainnet) with BLAKE3 pubkey hashing. Base58Check/P2PKH fully removed.
  • FerrousSighashV2 domain-separated sighash; OP_PUSHDATA2 scriptSig carrying the 3309-byte signature + 1952-byte public key.
  • MAX_BLOCK_WEIGHT raised to 40,000,000 to accommodate Dilithium transaction sizes (~1,848 tx/block).
  • WalletPayloadV3 wallet format with seamless V2 to V3 migration.
  • getrawmempool RPC + transaction relay fix — RPC-submitted transactions now propagate across peers via INV to GETDATA to TX.

Network

  • Activated on testnet via reset 6 (2026-05-31). Both seed nodes running ML-DSA-65 / P2DL on RandomX PoW.

Prior phases

  • v0.3.0 Phase 3 — Wallet Integration (BIP39 + Shamir)
  • v0.2.0 Phase 2 — Parallel IBD
  • v0.1.0 Phase 1 — Foundation

Next: Phase 5 — Ring Confidential Transactions + CLSAG.

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