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

Block 25373

Hash
0000005c576d755baaa44e217b6d9368bf8ca39381293af484f2a9bdd97a5db2
Confirmations
14770
Time
2026-10-17 08:48:19 UTC
Median time
2026-10-17 08:40:09 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
c9d09bbc16a28a9895539d4d95cceb8ef25296f480833d295c10b78581c46bab
Previous block
0000002c3e7b5df220a23dd3166ddddbc44fc74542f4400ae2fa1562d58d525c
Next block
00000159ac2d4142d30783ad178327dc65760cba50becfdbe582f6fd452cdaa2

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 25373 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
d832a8122bed3adb051bb3b66ffff754… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
c9d09bbc16a2…b78581c46bab coinbase1250