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

Block 20512

Hash
0000000281bf117c77ae53c08b2f4051f5921699965d09900315e764053666c1
Confirmations
21881
Time
2026-10-11 18:53:58 UTC
Median time
2026-10-11 18:45:28 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
f123838b7012977fbb2cbe0b343e745f9b748bfe57b351bfe38ed5bd6cbc3403
Previous block
00000058f0fd4d09ba6432eb32bf27ca26cca2c27ffefcad5aa2296534211c46
Next block
0000007f42f0403ffe68a7135771ee513811d792cc7c77875430dc110f63bd12

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 20512 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
d55d2fe8eb96817dcf951dd25440a632… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
f123838b7012…d5bd6cbc3403 coinbase1250