03:51 AM EDT, 06/10/2026 (MT Newswires) -- WISeKey International Holding ( WKEY ) said Wednesday its Sealcoin unit obtained $4 million in financing to expand its space-based blockchain network.

The parent organization provided $3 million of the total funding alongside a $1 million contribution from The Hashgraph Group, the company said.

The capital will back a digital platform that utilizes a specialized utility token for automated machine and satellite transactions, WISeKey ( WKEY ) said.

Separately, more than 45,000 people participated in a trial that validated data transmissions across 19 operational satellites within its WISeSat aerospace unit, it said.