Roadmap
What shipped. What is next.
Two lists, labeled honestly. DONE means it is built and you can use it; mainnet has been live since genesis on September 26, 2026, 00:00 UTC. NEXT means it is not built yet, or exists only as a draft. No dates are promised; things are announced when they ship, on this page and on the forum.
Mainnet genesisSep 26, 2026, 00:00 UTCmined · live, with HX1 (XIP-4) from block 0
Block reward50 XIDafter warm-up, then 10% less every ~382 days
Coinbase maturity1,000blocks, about 3.5 days at 300 s
ExplorerLivesuperknet.com · mainnet
Done · built and usable
- DoneConsensus rules100,000,000 cap, 50 XID per block after a seven-month warm-up, then 10% less every 110,000 blocks, never below 1.5 XID until 2325, then a taper to the last coin around 2363, no premine and no founder allocation. Frozen in the charter; mainnet genesis was mined September 26, 2026, 00:00 UTC.
- DonePQ-only spendsEvery output commits to a post-quantum spend tree — ML-DSA-65, with an SLH-DSA-SHA2-128s fallback leaf available; there is no classical or hybrid spend path.
- DoneMetalDAG proof-of-workMemory-hard, 4 GiB dataset at launch, +128 MiB per 14-day epoch, wired into consensus.
- DonePublic poolpool.xcoinminer.com:3335; its details are at xcoinminer.com.
- DoneExplorersuperknet.com, live on mainnet since September 26, 2026, 00:00 UTC.
- DoneBrowser minerxcoinminer.com mines for real against the pool, WebGPU or CPU.
- DoneNerdMiner + loginNative Mac miner;
NerdMiner loginsigns a challenge with your mining key to enter the forum. No passwords anywhere. - DoneMineDifferent forum + chatminedifferent.com, ML-DSA login, live chat shared across every xCoin site.
Next · not built yet
- DoneHX1 node transportHybrid post-quantum encryption between nodes: ML-KEM-768 layered on BIP324 (XIP-4). Live on mainnet from block 0, September 26, 2026, 00:00 UTC.
- NextStratum V2 / limit pool powerMiners keep their own transaction selection, so a large pool cannot become a large vote. A cheap pool grows honest hashrate; only this removes the pool as a control point.
- NextOffline signing for xPaySplit the send into an online builder and an air-gapped signer, so the ML-DSA seed never touches a networked device.
- NextSatellite-linked nodesNodes that receive blocks over a satellite downlink, so the chain stays observable without the internet.
Anything not on either list is not planned. If you want it, write an XIP.
How to read this page
Every DONE item can be checked without trusting us: mine a share against the pool, build the node from source, sign in to the forum with your key. Every NEXT item will move to the left column only after it is running and has been used by someone other than the author. Progress is posted to Latest and to the forum.