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

Block 22374

Hash
00000010f445c94344142f01c30e4783f87d639d4d005ea7b773adf507633047
Confirmations
19179
Time
2026-10-13 22:32:36 UTC
Median time
2026-10-13 22:24:03 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0028309697
Bits
1e01613b
Merkle root
2064ebfe226fedcaed95f489414f73636d56bfceac4b7aa9b9edad433426aa05
Previous block
000000825f830b6629b29961444bf8d50e6e5542cfbacbbe5d21f86ae6f45b42
Next block
00000047e562d389d97c58bf384155b48eab76c66b42ddd3c39e7a1b45828436

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 22374 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
ddc5d3734326c06fb400860b8b1ae621… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
2064ebfe226f…ad433426aa05 coinbase1250