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

Block 25205

Hash
000000d4e40aa6190840255c0dc3bab68d1cd85bc6c0dc493d913bb66a174581
Confirmations
15332
Time
2026-10-17 04:13:03 UTC
Median time
2026-10-17 04:04:36 UTC
Transactions
3
Size
3,182
Weight
12,212
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
0e84caad9c3d41918c28d0c6a3f2ed7eab798399e3d934483b218192c33c4032
Previous block
0000011b8f2a945ad97fa7af70f800237293a980865dd7c5919f4f2388204d23
Next block
000000beb88c6dcbccf61e1d5d356c200a646f89d9c7b48a8929df5f27041ed8

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 25205 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
914c4804bf486c9b30ea18ec967ca1c0… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
c33b4554423a…52b28991551e coinbase1250.0000062
0e990061bb81…5762206db62e pays to P2MR124.99985720.0000031
cee897135aee…c61bef10f4e4 pays to P2MR1214.99988820.0000031