Block 21840
- Hash
00000087ebed16de1d716e9d0800dad0f6a710cb662f868dd4c8972e14906992- Confirmations
- 18908
- Time
- 2026-10-13 07:46:40 UTC
- Median time
- 2026-10-13 07:38:35 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0031405554
- Bits
1e013e69- Merkle root
bf23c0925330eef5cbe60dd94c841b824c18f69089888fa9b16ef1c75f9437d1- Previous block
- 00000129435527aec239e06831ed419b6993ad5cc848fa1cb9371c494347b6c9
- Next block
- 000000b4fecca20b2de0d434bcd0e9a943c8497ac66b98268fa1a1e7496d5429
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 21840 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
6c4ff065c1cf2d8dcd5856f1468cf738…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| bf23c0925330…f1c75f9437d1 coinbase | 1 | 2 | 50 |