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

Block 20202

Hash
0000004f827b099a80a0387f903c88fafc8259ab6bc700e222b5dd1d7deb1a5d
Confirmations
20596
Time
2026-10-11 10:21:39 UTC
Median time
2026-10-11 10:13:25 UTC
Transactions
2
Size
2,977
Weight
11,596
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
a9386bda844a86abd81a16ffb575ff7ac026b99bc49c002ae2fc0c395f7f81f1
Previous block
00000137ac93d9cb07f7ae9f695a3d5499ecc71b59b68d3c939bb2222b040830
Next block
0000005f668ccf863edf7645fa554a0fe4561351a5d328dcf2c93c524be06d8c

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 20202 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
f82ec656e47da6f825cf2397c6707c32… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
a8e4d781c46d…4a5109cbacc1 coinbase1250.0000031
85987119f896…b3a49cf63b76 pays to P2MR1226.99992540.0000031