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

Block 29664

Hash
0000017677c990e29f2973d14b76ddbb5855650f53276081540e2abfc0995c16
Confirmations
10483
Time
2026-10-22 06:08:37 UTC
Median time
2026-10-22 06:00:17 UTC
Transactions
3
Size
3,320
Weight
12,350
Difficulty
0.0021387367
Bits
1e01d38f
Merkle root
4109332504554185011ea5062f9f92838c13d1a5c357570076b6aab18cb2f2ec
Previous block
0000001bc3e39c210770d54b3657c0aa81f3eb5d32ea9287cd2b588a7206da07
Next block
00000109a019e16cba056dc89fc2308a40d4db6852967d438948f3b7f68cadf1

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 29664 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
abd7d39ba80b48d8df90aa31d0c4bb99… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
02bedd3f8a80…3073415f7976 coinbase1250.00000688
47b1e52a82a7…29577593bb2f spends P2MR pays to P2MR120.998993120.00000344
1ad3bc2545fc…5dd0f4b7aa6f spends P2MR pays to P2MR120.998993120.00000344