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

Block 37720

Hash
000001f7716247b768cd2b770b7a79689becb5fc2ffac3da9693028b93eb17db
Confirmations
4317
Time
2026-10-31 06:01:48 UTC
Median time
2026-10-31 05:53:41 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
50d0d5d0112a322a6aec3b235a065e32013bd81f0b0af008de720048df44fca7
Previous block
000000b04d4547755437cd792fa82587454710f726c1e1a0a83d66e14b557d5b
Next block
00000054c4d11c72eb2a5b3f1927ff5098682ced92d08c4856f9ded810d2632c

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 37720 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
8ca965096f16b199163537e6883baa6e… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
50d0d5d0112a…0048df44fca7 coinbase1250