Block 18642
- Hash
000000c679c5b253a395974683dcbb38c3d05274a79d0cf4b0c2c743d9dbcf9b- Confirmations
- 23095
- Time
- 2026-10-09 14:42:25 UTC
- Median time
- 2026-10-09 14:34:19 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0035089589
- Bits
1e011cfb- Merkle root
2620fb97c2cb222aab3001369fe65eb765da17c53b6bb5817986c37ffb224416- Previous block
- 000000454a5c2219eca9f36082723ab47e3af4edede4d4ba6e36ed1302970cd6
- Next block
- 000000798192a814f402aa1103a7e8cb0a5452f500a615ef605b272158270107
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 18642 is below the activation height 20000: nodes do not require this signature, and only log the result of checking it when run with -debug=validation. The block producer adds it from height 18000 on, so that nodes can check it before it is required.
- Status
- In the form M2 requires, followed by the signet solution push (the classical signature)
- Signature
fff1defaf71aa58d1b8a3ade7e165b77…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| 2620fb97c2cb…c37ffb224416 coinbase | 1 | 2 | 50 |