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

Block 37688

Hash
000000d312ca11c64c14d4660d775c2f54d874d0ae40d7b627eaaad8447a8f97
Confirmations
2632
Time
2026-10-31 05:10:52 UTC
Median time
2026-10-31 05:02:51 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
eafb4f5f3d8fe1164c6d1013e182ad149502363c8067df03112b1b9ad7737a2d
Previous block
00000245a2ef4c140d871f54b7b45223fd84b8b62d078bf96db8930d273d3abd
Next block
00000211cf9311b80b469f359447003eebd41a1f2659fa0e56b14fed447806db

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 37688 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
1339f50acbd1dfbf846012cdd07ff38b… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
eafb4f5f3d8f…1b9ad7737a2d coinbase1250