Block 18903

Hash

00000028d879ca825c96664b3d436970b74e7e00c3c977afe780e9ca0999d823

Confirmations

22010

Time

2026-10-09 21:55:35 UTC

Median time

2026-10-09 21:46:59 UTC

Transactions

1

Size

2,772

Weight

10,980

Difficulty

0.0035089589

Bits

1e011cfb

Merkle root

c4f5e7759d1e322daffa79a4a2d279acf44b233a45c646d1cf517e83bdc0f692

Previous block

000000691222f773607bb5a26ef4736b89386ae0d00fdca7d4858269d91ec2f1

Next block

000000ec61eeb8bed9884014160d1a411d564086a9844b55bbe80216dde0a82c

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 18903 is below the activation height 20000: nodes do not require this signature, and only log the result of checking it when run with -debug=validation. The block producer adds it from height 18000 on, so that nodes can check it before it is required.

Status

In the form M2 requires, followed by the signet solution push (the classical signature)

Signature

937ce1e72004819deae1d14f8be7b332… (2420 B)

Format version

0x01

Context string

SIGNET/PQBLOCK/EXP0

Block key the nodes require

SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions