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

Block 21493

Hash
00000118f4a02ffec5b5964ea851ce50ed701ea882197aa0b151e34f04b73ed0
Confirmations
19259
Time
2026-10-12 22:06:48 UTC
Median time
2026-10-12 21:58:22 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
4b61a38299dacba5abb97a72471388a54a711ed0289f3ace5d5d04ffae51ca5f
Previous block
0000001ca5827d66073af6a084a1415375c787a31a720c6dc00e88dd2e318102
Next block
0000003c23bb56dce5978a6b4de1395240770a83e10b37fddcb2caa91fbf0da1

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 21493 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
14f316d9295742ad5b451b5b2573c8ea… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
4b61a38299da…04ffae51ca5f coinbase1250