AntiQua Core Updates – NodeCore Changelog
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Hey everyone
This thread is the official changelog for the AntiQua core – NodeCore, the node software that runs the AntiQua network. Whenever we ship something worth knowing about, it gets posted here as a new entry, newest at the bottom.
If you run a node, test the network or simply want to follow how the protocol evolves, this is the one thread to keep an eye on.
What gets posted here
Releases – new NodeCore versions and what changed
Security & hardening – fixes and improvements to cryptography, consensus and validation
Performance & networking – sync, P2P, mempool and resource usage
Breaking changes – anything node operators have to act on, always clearly marked
Network milestones – testnet resets, upgrades and other events that affect the whole network
How every update is structuredSo you can tell at a glance whether something affects you, each entry follows the same format:
NodeCore vX.Y.Z – date
Type: Release · Hotfix · Security
Action required:
No / Yes – what you need to doWhat's new – short summary
Details – changes, fixes, notes for node operators
Never miss an updateClick the bell icon on this topic and choose Watching. You'll get a notification every time a new core update is posted here.
Questions & discussionTo keep this changelog clean and easy to read, replies are closed here. Got questions, found a bug or want to discuss a change? Just open a new topic here in Development – we read everything.
Stay safe: Only trust release information from official AntiQua channels. The team will never send you node or wallet files via private message, and will never ask for your recovery phrase or private keys.Cheers,
Blythex
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NodeCore – Testnet milestone – 18 Sep 2026
Type: Network milestone · Fix
Action required: No for users – testnet node operators: run the current NodeCore build (older builds can't read multi-sig transactions on the wire)What's new – first post-quantum payment and first 2-of-2 multi-sig spend confirmed on the public testnet
Details – below Single-sig spend – 10 AQA sent with an ML-DSA-87 signature, confirmed in block #112
Multi-sig wallet – 2-of-2 wallet funded, block #127
Multi-sig spend – two independent ML-DSA-87 signatures verified (2/2), confirmed in block #130 and accepted by the archive node
Fixes- Multi-sig builder set the fee after computing the transaction hash → hash mismatch. Fee is now set first.
- P2P serializer dropped the multi-sig fields (required signatures, signer keys, signatures) → receiving nodes computed a different hash. Hashing, mempool and network now share one serialization path.
- New regression test: truncated transaction inputs are rejected, full ones round-trip.
Sizes – single-sig tx ~9.4 KB · 2-of-2 multi-sig tx ~15 KB · block with multi-sig spend 27.5 KB
Full write-up with all transaction and block hashes: Testnet Milestones: First Post-Quantum Payments and 2-of-2 Multi-Sig Confirmed On-Chain
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