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

Block 21028

Hash
0000012aa73724cbba9082a84bd712e9d23d11a6df96aaf31ea624fb3ca29ef4
Confirmations
20631
Time
2026-10-12 09:06:58 UTC
Median time
2026-10-12 08:59:00 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
755e0adf97df344290b2ecc7a783acca91302a8b67496e34596c127b28c69608
Previous block
0000006012a75861d1518f0e5220c2f037bcf1d49976f938716c2523e83932ae
Next block
0000007fd33a74b6bae4d82b68298a061093b93b6b697ec538342d6ae13b095d

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 21028 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
afa429788f6148ca4cc8dec2a34b0ee6… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
755e0adf97df…127b28c69608 coinbase1250