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

Block 12637

Hash
0000009ad74de355c1e2442661baae1561dd455fdaec2b8c159df182f4d92081
Confirmations
28404
Time
2026-10-02 08:52:17 UTC
Median time
2026-10-02 08:42:54 UTC
Transactions
1
Size
342
Weight
1,260
Difficulty
0.0055294316
Bits
1e00b4d9
Merkle root
b478e17b4bd519c15efa0fac05f915a924be683c5dab23f09e60fa133b92f393
Previous block
000000540a579c9488d0d9c532eba996325802cbac87e2e766d397d966b260cf
Next block
00000091bd8fc7d7bd7d3a332d25fc47fa7c3c56b0bf38c2cf68ec247e260f94

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 12637 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
No ML-DSA-44 block signature in this block

Transactions

txidInputsOutputsAmountFee
b478e17b4bd5…fa133b92f393 coinbase1250