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

Block 37403

Hash
0000001d35f9afc538f162d16b5876fb88c33998eb8ec4198fc4e3d737ef547b
Confirmations
4868
Time
2026-10-30 21:37:09 UTC
Median time
2026-10-30 21:29:18 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
00176bd1b23b942c67d5410e6be23fb8dbabc7f7e61a7928d75e17cb7e6026a4
Previous block
000002473550bc9f66f6c07a9ed55f4041e3f56d1785ea0a68e7e64ce7f3ec34
Next block
000001268c56c1ac0b841e59386d64bc275ba8c2fb77696db6fad611ec26520c

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 37403 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
4592a885bd8023cc675ad4ebada94768… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
00176bd1b23b…17cb7e6026a4 coinbase1250