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

Block 21332

Hash
000000782288f799e5854c0a8666f26b09269ecacd0ad88fde34f5030c500eb5
Confirmations
19404
Time
2026-10-12 17:38:43 UTC
Median time
2026-10-12 17:29:37 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
ae2dd590527a7f26b2b70defbc651164fc1c7d9a585c7154892d0c38fdb09212
Previous block
00000087f03a5afcf1b31ab4b8f161390f2c1188c192a46d07fe8692da1c7a61
Next block
000000d0034c26e42105109d5bea8a7e9cb68bdb1f56c4b432dac3254142564d

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 21332 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
3e0d2ef06d13d193b820b9a8453f854b… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
ae2dd590527a…0c38fdb09212 coinbase1250