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

Block 20841

Hash
0000007b742b7f4b9e3c27e48b961b2836889e8486e9364819b9d3fc1e638737
Confirmations
20406
Time
2026-10-12 03:56:52 UTC
Median time
2026-10-12 03:48:20 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
382c91689bff8e22d83d83197ad0784e4570d1adddeaf36dfaead9ec56ab31a2
Previous block
00000047e6e315b2607768b0febf59e5efa323b607d4238719b96d617ccd8310
Next block
0000011e989ba5e090f29057bf7536c41e11cf76472e757c6c5fa6a3ae0ea55e

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 20841 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
0563262573b713c3ae69d012d8935e85… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
382c91689bff…d9ec56ab31a2 coinbase1250