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

Block 20402

Hash
00000105e948697a432678890ccab3ab5c999cd18381ef1dedb084c0921e4eb5
Confirmations
20786
Time
2026-10-11 15:52:56 UTC
Median time
2026-10-11 15:44:57 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
ca3f46b850c3c8491efe88dc4b7366192b65939493f3c896cfff83c139aff333
Previous block
000000ee397fa8f8aefd414921bf0cffebb86fa7c94bf7bfd678f0d92d09dd4a
Next block
00000030e0579e356eba54453d086bc7949e835958e36099670686a2b7e765fe

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 20402 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
cdc488759daed527ad13772dbeebf6f7… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
ca3f46b850c3…83c139aff333 coinbase1250