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

Block 20685

Hash
0000009e5f04a81195e531278d88defe9b77be6a0895cee036eccc54110e171d
Confirmations
20965
Time
2026-10-11 23:38:01 UTC
Median time
2026-10-11 23:29:35 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
86fb7210e2f412dede7377f5b8c36aa1b0abc2fa28942271a6f3135e960cd525
Previous block
000000d5146739697bf0f0126d62dddddf8f55b26a2fe2ac2951c534ec0e5203
Next block
0000009701b12ffc1a95f8d29faccb87c3ebec2d35deafad7a1304c0c0cf97ae

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 20685 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
0dfeff51b39982a8d2d8372e7b0dcbd9… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
86fb7210e2f4…135e960cd525 coinbase1250