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

Block 19160

Hash
0000010ed0fc250486f0e2cc6fa7d51da0ed810176c1e74d08bed2bfab443cb2
Confirmations
23009
Time
2026-10-10 05:12:48 UTC
Median time
2026-10-10 05:04:41 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0035089589
Bits
1e011cfb
Merkle root
dc3a626a594192ad333c92bb6494997a9f318fe9bbb1fdbcf260ef65a9bb64ff
Previous block
000000bc5a0f6ddeccc982475e27c091c8d261c36d6f5410098930dcee129e87
Next block
0000001b0413ca4036dbdafb1c399f9d518ac9bf329e80dddb4722af74380609

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 19160 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
f565bf17a520b714664cfc3b6e9e3c2c… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
dc3a626a5941…ef65a9bb64ff coinbase1250