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

Block 22803

Hash
000000817c09fb356c6e5511ddc255ee038bcc147febf6feec122680336155bf
Confirmations
18064
Time
2026-10-14 10:17:15 UTC
Median time
2026-10-14 10:09:28 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0028309697
Bits
1e01613b
Merkle root
b1818cea3241c29942501e3f64c33ee1b9c93384b6dfe50c4be7cab4caa747f3
Previous block
0000004e1b3fe4b4d0966ad50d71b08f57a63966f4328d43e8481ec222879f5b
Next block
000000f543a2d5bf87d069c67bea94aa22e14acc327d77488220739c7ef403fd

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 22803 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
db7826e9e6204fa1c76c5030c8e8d452… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b1818cea3241…cab4caa747f3 coinbase1250