John Hoffman spent over 17 years at investment manager Invesco and will lead Grayscale's distribution and partnerships team.
The seizure was supported by the Supreme Anti-Corruption Court in Ukraine.
The funding will be allocated to five "mini-apps" focusing on payments and gaming.
Brett Harrison’s new firm, Architect, aims to be an one-stop platform for institutional-grade crypto trading.
The U.S. Treasury Department has blocked Sinbad.io, a crypto mixing service, from the global dollar financial system on allegations it supported transactions tied to North Korea's infamous hacking group.