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

Block 37505

Hash
0000008203418f33f52d81170413f960f5b05798c540426db47d546585f88751
Confirmations
4811
Time
2026-10-31 00:20:02 UTC
Median time
2026-10-31 00:11:58 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
c7d8358ef68d5bd8616700667bd30c6822b7af0167f39d7d93dcc1dfa262f098
Previous block
0000004566f246883934b30d3dfbdae1c2bf4df7fa240531f8a50583f65145f4
Next block
000001007b9b652ecdc4066b7e6bfbebc6bad0d69b5f5e78f6394a7384e110d0

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 37505 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
a3d3ed8b5388e45c7857ce57ff05176f… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
c7d8358ef68d…c1dfa262f098 coinbase1250