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

Block 27161

Hash
0000017fcc453cc9fbc0654be0bc36ac477599b379a31e96906781b863cf3b90
Confirmations
13430
Time
2026-10-19 10:20:20 UTC
Median time
2026-10-19 10:12:22 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
d2b908f9aed4daa9df318cd556b263654f8a5bbfcc2b16afcdfedf4b833ba014
Previous block
000000a41c34d77604a039f90f23a8d23396b7da24dd6cdd32b173c2b2d7ec1a
Next block
0000015ff75cfbedc2bf9e95f42d7cfe30b29325d713bbeeca676395ab44c72a

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 27161 is at or above the activation height 20000: nodes that enforce M2 accept a block there only with a valid ML-DSA-44 block signature.

The node behind this site enforces M2 and holds this block, so its block signature passed the node's check.

Status
In the form M2 requires, followed by the signet solution push (the classical signature)
Signature
d619c5d0a78afd4a34603b80371d4491… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
d2b908f9aed4…df4b833ba014 coinbase1250