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

Block 4220

Hash
00000079b8bc740db7ba38f618def7ed443526aff6a387962da99090c184672d
Confirmations
37909
Time
2026-09-19 17:05:33 UTC
Median time
2026-09-19 16:55:59 UTC
Transactions
1
Size
342
Weight
1,260
Difficulty
0.0045061008
Bits
1e00ddeb
Merkle root
ee40c9cb555676507b393da2d5e0d68e0967e4e1d30e0a208933db1830197338
Previous block
0000005f4df9be297990a6dd1c40a9912e6037581e1d85691488271e4f8e7ec0
Next block
0000006214499a0910ee7d93a5728eb77c151078b2cb6b4452f352be48efc094

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 4220 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
ee40c9cb5556…db1830197338 coinbase1250