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

Block 36399

Hash
000001f3b5c920d97f051346a95b4b74e52fa9ece6dd2c4b1ec694a0d17b3612
Confirmations
4061
Time
2026-10-29 18:51:55 UTC
Median time
2026-10-29 18:43:58 UTC
Transactions
4
Size
3,947
Weight
13,637
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
74c85c7b33b1c6fb395775e72b77ec4fe0ffff5ac10b99a1c420876ed9e7c2af
Previous block
0000023c6d87bac8f3b6c394108a7773035c6719148251f4ec36282c46e900fa
Next block
000000a6f1a96e49a874315768e1a6c7447c4c72e4e218fd0806231b982e2441

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 36399 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
a2c4d810b1d48904f7c4e414f71b7e92… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
1477659589ec…accdb91f7bd1 coinbase1250.00001328
34dc0c1e1a54…f3fb5ee30e12 spends P2MR pays to P2MR120.99598280.00000344
c041cb08c9da…121c4125df6d spends P2MR pays to P2MR220.001990160.00000492
ff0a3d0ebbba…7be2ec4e35e7 spends P2MR pays to P2MR220.001995080.00000492