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

Block 19095

Hash
000000986ce1229ab794667e2b92849dc71fb9fdd41c63b6e101fb1fa25fe64a
Confirmations
22101
Time
2026-10-10 03:21:28 UTC
Median time
2026-10-10 03:12:55 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0035089589
Bits
1e011cfb
Merkle root
131ba134b356525f580cc5bf9854d5ecb806968060c9707789e74102cae58899
Previous block
000000612c2200d562071a01c5d0203d0f16cae57955036a5f5a1a4292a74992
Next block
000000cca8c730ab686eded6b90d3c457c687c9110e2d7b1a6c5e5b15b6fd184

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 19095 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
8bb9b2eec461c61eeb515f16cc336442… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
131ba134b356…4102cae58899 coinbase1250