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

Block 37254

Hash
000001d68c45e51e39f6fce8a7c539dd62c827dad4899654a2de1b3b0653c435
Confirmations
4552
Time
2026-10-30 17:40:03 UTC
Median time
2026-10-30 17:31:51 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
a61c8dfbbcd6da1f12c2981422a124622bffd575ba714976e846719a4d6ffb23
Previous block
000000a0c06fc3f04669b7e71451ecec23180b98a8dd5ef6c91944fc03ccd055
Next block
000000121f34474580beb23abe4ea8c1be5de2ab14ca65ae98cb997f54f0ef7a

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 37254 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
7f5a93686aa22da004166d7753be122b… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
a61c8dfbbcd6…719a4d6ffb23 coinbase1250