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

Block 20630

Hash
0000008abfd2208cdf3254912af7ee1f677fc9c27028f7dff2de37484cda7d5e
Confirmations
20237
Time
2026-10-11 22:08:09 UTC
Median time
2026-10-11 21:59:53 UTC
Transactions
2
Size
3,166
Weight
11,908
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
19615b9b65112f8feefc52b86771fc6c0a91559289c6c076fac67f2c66400b39
Previous block
000000fce3247a5c416322b8669421c1ab7ee41900aaa19021a1bdf28afd5035
Next block
0000012eeb91b4d6802cdac0b8a3b7ca37f9144e7599546bcf352fd343dea9a3

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 20630 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
2972bd2b25c4f65b8bb87934cb75fbd0… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
cd4913952375…2699d8925c4b coinbase1250.00000466
3a77d7853f9d…89f5d07fd629 pays to P2MR220.019971940.00000466