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

Block 20915

Hash
0000010e9e3370850bceebc8542a4efe32cadf0629f84c4c6ebaf3dbb7ea05eb
Confirmations
21346
Time
2026-10-12 06:01:02 UTC
Median time
2026-10-12 05:52:28 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
f5222a2b5d50d88bf99cc80c2eb60279ca00df9f6f9ad0ec03f48520244ea2e9
Previous block
000000cfdeda0df2c2ec31bf58ba3914468b40d537ce4bd032a7eb681751ad4d
Next block
0000006dbbdb3a1ea4fb9d6e8ed4cb6374ff58ac906f1df6cc2e6f2ad967515c

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 20915 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
f36c3eb616313c5960dd8b0faddc4784… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
f5222a2b5d50…8520244ea2e9 coinbase1250