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

Block 25642

Hash
0000007fb477e044351d67ca274e18102dc18caee3f2e33dbbc79e854f6f0e10
Confirmations
14619
Time
2026-10-17 16:10:30 UTC
Median time
2026-10-17 16:02:50 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
4547515d07188dffaab174496ddf18ae6afb1dfa2e2b83c2c941e8e266e60bf8
Previous block
000001180faee1c015e7d28ae69ca90387c8f832dfa69f4ce30559b00ef0a87e
Next block
000000a18e77ee9d721edc2462d1ccaf9155b0d896671ab068fa284ba7a72d57

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 25642 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
92db7500fafcff91e34829654c737dab… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
4547515d0718…e8e266e60bf8 coinbase1250