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

Block 6640

Hash
0000000a467d8919a204bcd6b4cde3b1d581bf1e3f8678955ce2f87234dc0ca6
Confirmations
35516
Time
2026-09-23 08:24:34 UTC
Median time
2026-09-23 08:11:39 UTC
Transactions
1
Size
342
Weight
1,260
Difficulty
0.018024403
Bits
1d377ac0
Merkle root
b7b5678d3157265e8a02ff2087fbdf7b4f9ce701c80b012aa7803b302ae9195f
Previous block
0000001f76d9cb7b14abae81c5884763b0465d3c4c4a6bb2e3f696279cae4ec8
Next block
000000031f83897a219f270514309760431906924229b5e1a523b3544d393e3f

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 6640 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
b7b5678d3157…3b302ae9195f coinbase1250