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

Block 25228

Hash
000000213b1d18c6b364c54e5d5e547af93f6c23eb77c9d4e2ded216e2ca2f48
Confirmations
15661
Time
2026-10-17 04:50:26 UTC
Median time
2026-10-17 04:42:38 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
b3ba160267becf27d1815940624db2749089dba58ccdd6168c7f29638bdac9b6
Previous block
00000054793dac463e8781ace0c35da8a17443cd41c63780fa8970de481d0c3e
Next block
0000001ad5d285089a947b3c0c839894fd18195e4c2c8a5fea67d3270cf36944

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 25228 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
23c9b4e4789ba5f2d57e8f8dc716ef1a… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b3ba160267be…29638bdac9b6 coinbase1250