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

Block 20416

Hash
00000120d398ff404087429ed363f611d353d5c1fe78aa3ecaf071ce738c1b59
Confirmations
20814
Time
2026-10-11 16:15:53 UTC
Median time
2026-10-11 16:07:55 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
6bfd87b6698f7adea392f64d19db8af7fc9af010750c41f4c005b314bd518d72
Previous block
00000057b7f426d2b5b3b622fcd9857a1ed2fb2c26f011f633e8a52e594fa468
Next block
000000b15b3bc87eaf793ad67c44d9acb2c0f8a855218f9f02806d0727b60feb

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 20416 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
adbb68089daaa131c6ad760085ffa7c9… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
6bfd87b6698f…b314bd518d72 coinbase1250