Block 21391
- Hash
0000000b63f004cad0e16a85e862c1b98f41893b4a93cd5e2a73660ebe681a2e- Confirmations
- 20669
- Time
- 2026-10-12 19:16:30 UTC
- Median time
- 2026-10-12 19:08:06 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0031405554
- Bits
1e013e69- Merkle root
c43a88efc658b669a09199ad0bdd5c57d6442ea1921fee123d04a653d37bb083- Previous block
- 00000049603f39a444a25dfabf17f306788270126a5b2f5eb20b8d9db606248d
- Next block
- 000000fa590dd58abc4c47e74195a1e05e529a9658ac3c33f404ed1a266f2462
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 21391 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
d9d2a7be836b0048b9ae43791da0ad04…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| c43a88efc658…a653d37bb083 coinbase | 1 | 2 | 50 |