Ark-0
Ark-0 is a test network for trying things out. It may be reset at any time.

Block 21235

Hash
000000587574405d2bd680ce945a8fc03d587f1f8858fd3d9fbd2a0e258f8114
Confirmations
20198
Time
2026-10-12 14:51:27 UTC
Median time
2026-10-12 14:43:10 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
7083a1df281f28e3c174a94fbce1579bfa3b8d54ad805e37fbd87d81c359b1bf
Previous block
0000008d302a3c3eaca773f2973e1a03bd0e20eaa904f1f73ac4655b45679514
Next block
0000011114ec34627f9c4c5f1f8e447bafff4a26b07afff57e1481bc6a9ddc32

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 21235 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
3c504684cf3a83a329625e1b9776255f… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
7083a1df281f…7d81c359b1bf coinbase1250