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

Block 28705

Hash
0000004bc8c741f9ee632f7c5658fd44937cefc1c614a58131c7c7534c36b3cc
Confirmations
11821
Time
2026-10-21 04:15:01 UTC
Median time
2026-10-21 04:07:18 UTC
Transactions
3
Size
3,496
Weight
12,649
Difficulty
0.0021387367
Bits
1e01d38f
Merkle root
1f8cb3453495e6cce0f93a723ddd342724786f66fe9753ed747f8097eae371cd
Previous block
0000006f1f7570b6327e0b5d9f1630b96723c3329f241015a4b853bfa938b79b
Next block
000000a0a83f5dffef977c781680db4dd3aff2650c9d5bf2f3be144eaa387a00

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 28705 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
90010b24073e4650f1aff0adb7d12e43… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
d8e03cfaddab…a68aa1b920ce coinbase1250.00000836
f4d35bec659c…41ec31052048 spends P2MR pays to P2MR120.998993120.00000344
f43c79b2a97f…5c2ecff1dee7 spends P2MR pays to P2MR220.001995080.00000492