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

Block 21208

Hash
000000b041a3eab98a96fd20a9949684180f8d823a2d1cad1f664c569865e10c
Confirmations
20542
Time
2026-10-12 14:06:24 UTC
Median time
2026-10-12 13:58:03 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
0c0abb6221f11245553a1e868f05564c9b30cd54a696bac0bde03c438d2e3eff
Previous block
0000013aa6b8fab291e6bd17c1e92009d9a4cd6d3e16009115ee6e1e73cc707d
Next block
0000011b0628749455250b577f5021f3458122a22553fe70d9173de656de5c8d

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 21208 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
3f4ee7c957e30ebe519d3e2302464072… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
0c0abb6221f1…3c438d2e3eff coinbase1250