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

Block 20845

Hash
000001394814984cfae9fa77b49778126db9ef5db068ebe7a9934aeaf282de19
Confirmations
19960
Time
2026-10-12 04:03:34 UTC
Median time
2026-10-12 03:54:45 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
0911ab767e89164c398182e723de2260001b88f86f0a574229f1888193e4ad99
Previous block
0000004d6581171c2d6fa942f59c3acd03d932ec63936a20c4cd8c154f16f2a9
Next block
0000012db42bda02f15ff9987722d6e84305e3b17cbcd0235cb46b8020c77751

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 20845 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
4c78a376f44d330364bebbd710d79a32… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
0911ab767e89…888193e4ad99 coinbase1250