Block 21913
- Hash
00000101bf64ca0fcce5cf3331cafa4411767f68762c31d5fb9f890ed4b74b47- Confirmations
- 19638
- Time
- 2026-10-13 09:49:08 UTC
- Median time
- 2026-10-13 09:40:01 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0031405554
- Bits
1e013e69- Merkle root
f3fc21aae97c7c88bc128cec29ffee9d6ba91647f7e1bc879034b8c3b68e37f3- Previous block
- 000000517d45d0625f227ffc5641045461861bcf570a173c183b0529e2e94776
- Next block
- 000000031baa8bbe58fd3cdaf83c560aae992e4358c809e986f94b607ff10611
ML-DSA-44 block signature (M2)
M2 is an experimental rule of this test network. From a height set in its build, a node that enforces M2 accepts a block only if, besides the classical signet signature, the block carries a valid ML-DSA-44 signature by the Ark-0 block key, in its coinbase's witness commitment output. This page shows that signature; it does not check it.
Block 21913 is at or above the activation height 20000: nodes that enforce M2 accept a block there only with a valid ML-DSA-44 block signature.
The node behind this site enforces M2 and holds this block, so its block signature passed the node's check.
- Status
- In the form M2 requires, followed by the signet solution push (the classical signature)
- Signature
d0970288a7328efea03f885ef2111473…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| f3fc21aae97c…b8c3b68e37f3 coinbase | 1 | 2 | 50 |