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

Block 20656

Hash
000000efbcbc43cbf7f00b6c0b80567b31ebc6d5ee2430c7034a25f9b03bf7a1
Confirmations
21135
Time
2026-10-11 22:50:17 UTC
Median time
2026-10-11 22:42:15 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
b2b8afa719094ee882f268cc151e66efeb3281734d402f9ace4989a30c28e410
Previous block
0000013b64f19336795d4ed5c579f28b1dc4fe727cba4d178a93b69c74cc5a5d
Next block
0000002cc2682ed84fd27d6e48cefbfb1929853133cf279bb4304469a8cdedfb

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 20656 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
757ad43673f4e1cf6d6269bd7103d5a8… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b2b8afa71909…89a30c28e410 coinbase1250