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

Block 25677

Hash
000000fcbf8279a2f36f2fa9212b42646adf54f93e6c9ac3d68d9ccd1102267d
Confirmations
16408
Time
2026-10-17 17:07:36 UTC
Median time
2026-10-17 16:59:33 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
9325119ff7e2ea760435e2af2861f0d7ec1694ffecd3a9d0495c97a4cfaa0700
Previous block
0000006e961b26ad4ae5ee475e26a125f6328b1792378796f09cdf935142670c
Next block
000000572fbe042574e1b3dc00c5edc0420bb6ccfe1dad27ae3dd4fea3a77c7c

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 25677 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
b69ac007a82e34f3c5a0ac0ff6dd01a9… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
9325119ff7e2…97a4cfaa0700 coinbase1250