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

Block 25528

Hash
0000004b02c98531a625fbb81529ee6e9a5154fdbc41038bc8257e3b30c59a92
Confirmations
16591
Time
2026-10-17 13:04:35 UTC
Median time
2026-10-17 12:56:12 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
82db5582b0977590804c7b18260265c365b8353658c6b2a4f87f42f0a1b6f45e
Previous block
00000013c2c073167ef20886ffe16f4e0a16071db3ad886033f45c50c39227d6
Next block
00000081700bb75e4a4dc791cbeb15abd7bd5d16302fcd936c651fd2a1d96668

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 25528 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
c65c73e45e299f3d77d94df3a6074755… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
82db5582b097…42f0a1b6f45e coinbase1250