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

Block 27021

Hash
0000019d456667ed3b22444303ba81dc80eaf531af9ac652b057836703962d4c
Confirmations
13214
Time
2026-10-19 06:32:20 UTC
Median time
2026-10-19 06:24:35 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
6a5a8af436c88c0268bc21dcea7528b58e2023850018eae420a1aac0d98da144
Previous block
00000109747b3feb814104ee80a069ac451131a2b4032b7a625f9ba0a9efeae4
Next block
0000010275535ac015340f122eab72e5af0df735e141507646ab0e71a8687735

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 27021 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
7f0cc692b41097567f86c413cc10a492… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
6a5a8af436c8…aac0d98da144 coinbase1250