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

Block 1666

Hash
0000000347cf753f88ec96a1fd32f4c9c0318171e78173964e5e75771519e6e5
Confirmations
39443
Time
2026-09-16 21:02:22 UTC
Median time
2026-09-16 20:54:12 UTC
Transactions
1
Size
342
Weight
1,260
Difficulty
0.0011265153
Bits
1e0377ae
Merkle root
ca90f419dbc2c5b002f0b64ae5d9c8e09dfae525a9d33caffb68260a4b662a2e
Previous block
0000036fad4c4d731da114372d5b1426e6f5b5a7a5b54ddbfd21b1b4318d8865
Next block
000003713632f43cdd33b660f1f3323f61322c75cca5b8dfda9eee16753e6d4a

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 1666 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
ca90f419dbc2…260a4b662a2e coinbase1250