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

Block 25655

Hash
00000068365e073c3f9c07fe945b91316be5a0a43485a4849613db45c1a9cf29
Confirmations
15647
Time
2026-10-17 16:32:17 UTC
Median time
2026-10-17 16:24:12 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
a083cdf3bde6558904ef41f42b192f99613d91300a795af0a437e1fd8af3f54e
Previous block
000000b9da2eff7dfba9f898d24ead564c2d5704f8a602495198b9a2f2786e1f
Next block
000000aee0325e4a603059d211ce8f5ad1be8a4f71322d3c1d74497707616adc

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 25655 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
20fce537e11f898ea1623b714b309ddb… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
a083cdf3bde6…e1fd8af3f54e coinbase1250