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

Block 38138

Hash
000000a3fb71d1fb504e846b855d808e19db63676dfe314d2027de0e579f4997
Confirmations
2053
Time
2026-10-31 17:09:04 UTC
Median time
2026-10-31 17:01:06 UTC
Transactions
3
Size
3,266
Weight
12,134
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
8525a3dc23085d97292ca2320fd4e9e972bfdb3a5a238a2cb349fd2854590819
Previous block
000001c5ee578fd07d905b12004e9c1daa8c3061b0318f08196debdada1ed6e7
Next block
0000006bbc51f197192aa85db4986e5fd105d7671e2fae8f36cce304b2cecb09

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 38138 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
5f9e67dc3e4895d5cc8038ebe0c428d2… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
54e6f4758b4c…83119328e710 coinbase1250.00001514
eba14bcb09b2…212663a6beff spends P2MR110.00998830.0000117
4c1c810181b8…a5a70ca27bbb spends P2MR pays to P2MR120.994979360.00000344