Block 21457
- Hash
000000089b55de3a8a172e577cb850bee4737410269bc8462e6f7d3687483fdf- Confirmations
- 19977
- Time
- 2026-10-12 21:07:13 UTC
- Median time
- 2026-10-12 20:58:45 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0031405554
- Bits
1e013e69- Merkle root
a18f4bae31b56e1a76088b6c5d12267aa2b76cfe9c4969975d957a0d6ee1db58- Previous block
- 0000011a0f0680eb094aae123b2a3fa986fc63995825d171eb07d5725bc35206
- Next block
- 0000007ced270e02971ff458c0725f4f5caedfc1363fe856a6e893ae183d19ff
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 21457 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
3dfaa5ab95737efc950efd4050a75a22…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| a18f4bae31b5…7a0d6ee1db58 coinbase | 1 | 2 | 50 |