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

Block 28889

Hash
0000017841d6efaca7b2869bbb993aeea36736246421d2238b900f35ce4a2603
Confirmations
11453
Time
2026-10-21 09:14:04 UTC
Median time
2026-10-21 09:05:46 UTC
Transactions
27
Size
8,516
Weight
27,410
Difficulty
0.0021387367
Bits
1e01d38f
Merkle root
dad0a6100c90d4f46d857523623a9a968603abf184de218f5fbf0b7bedf8d87d
Previous block
000001a7508e2be3931ef91b4944cc363107741f6b5f592e2d8162ff04e92fbe
Next block
0000017e3cb6fe15ba195f19688f39b40ac9a0887f5b478a697a10e54446f21c

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 28889 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
8d204efd11ada1ffe970759f640e692a… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
f3bdd83189d4…4b07f0269392 spends P2MR pays to P2MR120.999996560.00000344
1a784bff8560…612188a7e1ab spends P2MR pays to P2MR120.998993120.00000344
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