Sources: Warsaw-based Ramp, which offers services used by crypto exchanges, marketplaces, and wallets, raises $30M Series A at a $300M valuation (Ryan Weeks/The Block)

Ryan Weeks / The Block:
Sources: Warsaw-based Ramp, which offers services used by crypto exchanges, marketplaces, and wallets, raises $30M Series A at a $300M valuation  —  Quick Take  — The crypto on-ramp firm has secured $30 million several months after closing its $9 million seed raise.