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

Block 20200

Hash
0000005fe1b1cdced80899f85ac27e0ce38d406b70c29e319146b5686b66b954
Confirmations
20747
Time
2026-10-11 10:18:29 UTC
Median time
2026-10-11 10:10:15 UTC
Transactions
2
Size
2,977
Weight
11,596
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
ebec68ef9640e1d48187e917274c9ca4c8a397f9d21e42d35b3fe0648f8f8141
Previous block
000000fcf2f2883035ea558cc39fa1b145c2f43ceeba0deca27a595ff21a6e1c
Next block
00000137ac93d9cb07f7ae9f695a3d5499ecc71b59b68d3c939bb2222b040830

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 20200 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
4cd8e1f2e1f932a53e37e07e651770e5… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
101911dd8949…865f9626c4d8 coinbase1250.0000031
645c43005252…edb4c65cb698 pays to P2MR1227.99992850.0000031