Network upgrades · Tachyon v4.0
Feature gate rollout
One gate per epoch (about 24 hours). Each status is read from the gate’s feature account on X1 mainnet.
- 7
- Live
- 0
- Next
- 4
- Pending
- Gate 1 · FG 01Live
Minimum vote-account stake
Fee-free votes need at least 1 XNT staked to the vote account.
ValidatorsEpoch 408 · slot 85,582,112 - Gate 2 · FG 02Live
p-token
SPL Token replaced in place by p-token: same instructions, ~98% less compute.
Developers · everyoneEpoch 409 · slot 85,798,112 - Gate 3 · FG 03Live
Create account with prefund
New CreateAccountAllowPrefund instruction. CreateAccount is unchanged.
DevelopersEpoch 410 · slot 86,014,112 - Gate 4 · FG 05Live
alt_bn128 little-endian
Little-endian BN254 syscalls, matching EVM and zk tooling.
DevelopersEpoch 411 · slot 86,230,112 - Gate 5 · FG 06Live
alt_bn128 G2 syscalls
G2 add and multiply on BN254 for pairing-based proofs.
DevelopersEpoch 412 · slot 86,446,112 - Gate 6 · FG 07Live
BLS12-381 syscalls
Curve operations, pairings and hash-to-curve for BLS signatures.
DevelopersEpoch 413 · slot 86,662,112 - Gate 7Live
Stake program v5
Minimum stake delegation rises to 1 XNT. Existing delegations are unaffected.
Wallets · staking toolsEpoch 423 · slot 88,822,112 - Gate 8Pending
Delayed commission updates
Commission changes take effect one full epoch later.
Validators · delegators— - Gate 9Pending
Chained block ID validation
Each block is bound to its parent (two gates, same epoch). No action needed.
No action— - Gate 10Pending
SBPFv3 programs
Deploy and run SBPFv3 programs. Existing programs are unaffected.
Developers— - Gate 11Pending
Syscall parameter address restrictions
Tighter rules on where syscall and CPI parameters may point.
Developers: test CPI on testnet now—
Feature links open in the FortiBlox explorer. “FG” numbers are the ones X1 Labs uses in its gate posts.