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

Block 18410

Hash
000000f150e8bc8b16c38d4ce0c691095d0f9a5ed972ab5e3a55fb7a276260b6
Confirmations
22691
Time
2026-10-09 08:19:31 UTC
Median time
2026-10-09 08:11:03 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0035089589
Bits
1e011cfb
Merkle root
5799cfc135402b4f0973c761ba6a5d354ed14cf40aba05177340ad59309baf3c
Previous block
000000fd5e0f28d3a98ce0a2ae470d1f7aae77d392805d503d87109ad44c62b1
Next block
0000006b05840ab6fc2b16da2935bbc675e252f91af1f5c89387f7cb44f7ed60

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 18410 is below the activation height 20000: nodes do not require this signature, and only log the result of checking it when run with -debug=validation. The block producer adds it from height 18000 on, so that nodes can check it before it is required.

Status
In the form M2 requires, followed by the signet solution push (the classical signature)
Signature
e703ff6b56ac347dfe3ae0a4886273ce… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
5799cfc13540…ad59309baf3c coinbase1250