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

Block 25446

Hash
00000130b126256c5d645f6685d1ab0e4d10aa61db393eb86af659a3c9e7a40c
Confirmations
16277
Time
2026-10-17 10:48:28 UTC
Median time
2026-10-17 10:40:04 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
0c521a20ee6dfb90541a4a0f8a3fd8e08eed104ad7f639711cf6ee3c5ff58e7d
Previous block
00000091a13fdc2d8d283b0100c728d78b584cc9051e5222c3936f08fcd5959b
Next block
000000569d7cf016443923d82376503b4f7240f409e7c81e8ee759b2744f928b

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 25446 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
100f2fb055df81198ef2b3333bfd6113… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
0c521a20ee6d…ee3c5ff58e7d coinbase1250