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

Block 25405

Hash
000000c96704e7fa49bd344540f47e506964bd608c714f5ce1387efb9a8de409
Confirmations
15908
Time
2026-10-17 09:40:30 UTC
Median time
2026-10-17 09:32:22 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
0bb8c9391b25a45dec4681e94f0b6565f9de3ffc0176dbdfc2ae73061435dbd4
Previous block
0000001ef8074734fc95c76a62eeb15cf5e675f58e2cecdc04e6abbe0655a4e3
Next block
000000da1329057c9427b5995d85e6d0e8bd3d943e7d87fc1386ba152f729886

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 25405 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
8f3e7c115c341eac179815f3ad6439fd… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
0bb8c9391b25…73061435dbd4 coinbase1250