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

Block 20789

Hash
00000040f7baca6a4b0e60c51da77f59009abbb9c353623120848032fded6bb9
Confirmations
20377
Time
2026-10-12 02:30:31 UTC
Median time
2026-10-12 02:22:33 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
c1686c0490782cbb9ab3c105bbd2773e1d44b820b76c7ab4fc3accfe97833795
Previous block
000000b0a71b435d940209f13f6bb19372f3e98b7290f1721fe00d3962159c02
Next block
0000007df2fadfc289cd303fd471bdb97fa8aac230dd00ecba58f5adeaf5dc00

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 20789 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
afc47b914fd133dc048ade0037c2bd31… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
c1686c049078…ccfe97833795 coinbase1250