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

Block 28019

Hash
00000045c85d261941cd4962f11a32a6fbe8fd3cdb1e102ebf050107638dacab
Confirmations
12376
Time
2026-10-20 09:39:55 UTC
Median time
2026-10-20 09:31:36 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
b4af4a07ebf9e944fb24371febcd2cc31a6b19c5a5a6573b1fbe4c3e8a2ca01d
Previous block
00000131b68dcb06849193c4ab52ac41531de826f64138fa92b8d70ea2db8be8
Next block
000000cb16a8855cbca4ff4fcc779457606f3a2e151ec44b0c55016819d8f453

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 28019 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
655c3fcca59acc64f195aafd244d52cd… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b4af4a07ebf9…4c3e8a2ca01d coinbase1250