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

Block 20741

Hash
0000005f302dc149cb64c4a14e64fd539590226e024cb8ba5eaeb4b8cd8a8987
Confirmations
21321
Time
2026-10-12 01:11:12 UTC
Median time
2026-10-12 01:02:37 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
76a18c6ff94f645a9569331eb5f1665f5d098a16cfa8a400c276afd938a09d04
Previous block
0000002d6e4a6e3773ee53fb7e64faaaa92b9aee2e9e987dccf6bcf01050ccfe
Next block
0000000688482ab4015e035df051d4ca959f44287a8359a9a7bb4a9456e4e58c

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 20741 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
178ceb59f9bc1f2bc33eec1e21192982… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
76a18c6ff94f…afd938a09d04 coinbase1250