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

Block 25213

Hash
00000058590b0b6b4c2bec50a557ce6df84891dcce2d9a693946d9e0315fa102
Confirmations
15958
Time
2026-10-17 04:26:20 UTC
Median time
2026-10-17 04:18:25 UTC
Transactions
2
Size
2,977
Weight
11,596
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
2e5e128c190a195168ef3372f7790f8fd576662f96fe940c9f6441f4057df800
Previous block
000000224e8fc04fb726c070b146718721202b060fb7961091cab52021448c2d
Next block
000000360c74e17cbaf94418709f2fe66d4ddb2394e3c7bd51fb116a59902456

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 25213 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
410974bb9bc3d827c8c10392fda1a8c5… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
d242ad96bcf2…858fc2c63068 coinbase1250.0000031
57137a235a4a…7b8d80737075 pays to P2MR127.99986650.0000031