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

Block 1638

Hash
00000247759a0b6eee1bf7c5585f1852da0b869d1b6c3a4a80e582a6af0dd7d7
Confirmations
40104
Time
2026-09-16 20:16:57 UTC
Median time
2026-09-16 20:09:02 UTC
Transactions
1
Size
342
Weight
1,260
Difficulty
0.0011265153
Bits
1e0377ae
Merkle root
4ded5f8e09e477a329ae4c778497101ad7196ad7aec12c92bc1eaf8c6151a727
Previous block
000002f257cf5d4c0fadd11f008116d19f97a09f906bd4faa85f232ed6509c5b
Next block
0000027a66e852fe40ff6b98dc5f8e69189e1f27cfc5d1a74d5a4a133daeed87

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 1638 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
4ded5f8e09e4…af8c6151a727 coinbase1250