Block 21881
- Hash
0000006c4d5ec171cab1c96a2cd1ff89649a52814aa3ebd6649a21610c814aee- Confirmations
- 20151
- Time
- 2026-10-13 08:54:01 UTC
- Median time
- 2026-10-13 08:46:16 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0031405554
- Bits
1e013e69- Merkle root
a9b2d11857384853a06d65efd1e8c232dd41679fe3c06c15f84b15ab57a121aa- Previous block
- 0000011addeaf05bd76c0badd5626a96e6d4d30a4462a43d24e48c9050965aa8
- Next block
- 000000d383cd61768544e2bdbf92fcebb53224a521918d3090011ffae30ddfc8
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 21881 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
1402ffd49019a19acb4aaf1c8f8377b8…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| a9b2d1185738…15ab57a121aa coinbase | 1 | 2 | 50 |