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

Block 40380

Hash
00000087f6a7a4ca53b6c2efc812898e641ca77835a41638ec785a698b16fe8a
Confirmations
8317
Time
2026-11-03 04:28:46 UTC
Median time
2026-11-03 04:20:49 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0014274344
Bits
1e02bc8c
Merkle root
8c0947e9f57134d4223e31af3fcf9cf7baeff3f7d26fd8e7166f602de7566bc0
Previous block
00000092318cdc8c364eb69f8603d9d29276cc3324cdc7af8b42aef8924f8b39
Next block
00000151fff82b6251de592732828d45418589cf4e32a74b044a5bca9a0c6f41

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 40380 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
552b76a73547688079dd4e9c9c206670… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
8c0947e9f571…602de7566bc0 coinbase1250