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

Block 25644

Hash
000000903a77dab3c95d755ab8006fa404f9623738a0e7e9ffc27d416879734b
Confirmations
14792
Time
2026-10-17 16:14:10 UTC
Median time
2026-10-17 16:05:52 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
8b9be59a626aa161c483a67414d871ee8c5ec87e184ef907fe5e1afe2ffe5121
Previous block
000000a18e77ee9d721edc2462d1ccaf9155b0d896671ab068fa284ba7a72d57
Next block
000001366188ddc0f7441727b11a1314532d6fbd9086bf6424f1153155a1f4dc

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 25644 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
2b0c5115b04ff008401ee917caac23ce… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
8b9be59a626a…1afe2ffe5121 coinbase1250