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

Block 40504

Hash
0000008ba80cc207d00fe4286fc1f511e8e8afb5214a8f0a2aadf9fd508dff58
Confirmations
8905
Time
2026-11-03 07:45:00 UTC
Median time
2026-11-03 07:37:08 UTC
Transactions
4
Size
3,947
Weight
13,637
Difficulty
0.0014274344
Bits
1e02bc8c
Merkle root
4db4e50812c24d7dce2203b00b431a4d3b28c1059bf12b0a5546014203944a01
Previous block
000000893628cf7f59701b1eeea32e488b4749e9e2a1dbd04ffe5ff958480077
Next block
0000019ab893a78c8e875dac2fdc3634430cd698713bbceb1f4bc6cade4bafec

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 40504 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
440161da5184fe8e96a8b7cb7f29f2e0… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
04accfca95c1…90941d6c547b coinbase1250.00001328
fbd4b3bd71d9…ae5549d5fde2 spends P2MR pays to P2MR120.994979360.00000344
6677566ffa36…c99a4a30c619 spends P2MR pays to P2MR220.001995080.00000492
f8d57fbb6e48…598cbfb5bcef spends P2MR pays to P2MR220.001995080.00000492