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

Block 21767

Hash
000000bcc54b04a618e629d4a210da9d46af23be07def3f3301f72f06901aaaf
Confirmations
19068
Time
2026-10-13 05:46:10 UTC
Median time
2026-10-13 05:37:50 UTC
Transactions
2
Size
2,977
Weight
11,596
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
9d6dbf7c2aaee9b4d47a42858cd8d7769d07abc97c8962d4c6ccecfab2903671
Previous block
000000f4343fd6f20d71ceeffde6714f7ff8cba3e2141db426f7e65ef0adb3cd
Next block
000000f34367e2311cec90c7b882bb91796cfe22a66975995e223620c91fc251

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 21767 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
361052bc9f41b061a3561fec93c005aa… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
52f1ef0eb743…a6576c9c3bfc coinbase1250.0000031
ebe8ffa08c09…07d2c1ef5449 pays to P2MR1225.99992230.0000031