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

Block 18314

Hash
0000009491810377d41415ef4694805b6be99b28f94dae211db2d0234a3d0081
Confirmations
23887
Time
2026-10-09 05:36:08 UTC
Median time
2026-10-09 05:27:58 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0035089589
Bits
1e011cfb
Merkle root
6b7234e47bc7439492535ee8633d26e481fd96ed11ff1bf935f327a076cc59c1
Previous block
0000003f46b6e40b6dcd88b7c72b4b42473ab9e4b0147f176d8af8b9dc5c42ee
Next block
000000a4595115a99a63fa322c8903d5d357eac54f278d1b926410aaec61fd5b

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 18314 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
In the form M2 requires, followed by the signet solution push (the classical signature)
Signature
fa89529f89e27bc05f7bc0c8dcc2c8e2… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
6b7234e47bc7…27a076cc59c1 coinbase1250