Block 19899
- Hash
0000007ad7ced57b63b699072d79936bb91c3f7817d552aacc372fa7dc2c4741- Confirmations
- 22263
- Time
- 2026-10-11 01:50:11 UTC
- Median time
- 2026-10-11 01:41:55 UTC
- Transactions
- 1
- Size
- 2,772
- Weight
- 10,980
- Difficulty
- 0.0035089589
- Bits
1e011cfb- Merkle root
e2de03c24b0c0c060a42f3d82a8371b4c026113fd1849f247576eda7862625d4- Previous block
- 000000b7d59540df77ff0820ed90c85adaa737933c10aa6ddce13b64648676c4
- Next block
- 0000008a681c8e4eae7e30897b1ad21f3365c85c6b92d2e3141c0e9c40fbb244
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 19899 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
ee4ff2d37d3aceade19e36e92c5e7342…(2420 B)- Format version
0x01- Context string
SIGNET/PQBLOCK/EXP0- Block key the nodes require
- SHA-256
eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad
Transactions
| txid | Inputs | Outputs | Amount | Fee |
|---|---|---|---|---|
| e2de03c24b0c…eda7862625d4 coinbase | 1 | 2 | 50 |