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

Block 21892

Hash
0000008dbdbbefe90048a1be00cc963ed16e87f7e2e76de57640507d9e949b12
Confirmations
20230
Time
2026-10-13 09:12:59 UTC
Median time
2026-10-13 09:04:34 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
ec369ba4692d4ddedd59f748a75ff27043ae41c6049f293d771e945671254aa4
Previous block
00000042ef3c306786261b3ef6b46ae031c728f0f8565772bd0ad987741664a5
Next block
000000b799a04676ef5aa319193422b2af2174749ad821555f89c6e3ad98b9b7

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 21892 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
bcd8474a1b268c392b6f06640612a3b6… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
ec369ba4692d…945671254aa4 coinbase1250