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

Block 25791

Hash
00000055bf56381da2b88d70f85530aac776da3f038042ba5ae27a405a2ab9a9
Confirmations
16706
Time
2026-10-17 20:13:02 UTC
Median time
2026-10-17 20:04:57 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
f2a77eee91d6778bb5d5cee6d331eace7e41e786e7aea35f555975885f2d43a6
Previous block
000000e1ce02b3b76fe1a29846d4c42fe7290cf147632dacd7bae55e40625bd9
Next block
0000010c28ad5707499d00a02d0017ff634036b9e725a9949a1c49a9c6da791d

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 25791 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
9af9f5d1d1262a94c8e5ee1a4eb417c1… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
f2a77eee91d6…75885f2d43a6 coinbase1250