Transaction volume on OpenSea has grown more than 100x over the last six months.
The funding will go toward Vega's mainnet launch.
The Series C round was led by Coatue – with participation from BNY Mellon.
Still in private beta, the project intends to create a social graph for investors, developers and founders for the creative economy.
The investment platform's hefty valuation marks it out as Austria's first unicorn startup.
Multicoin Capital, LD Capital, CMS, Kenetic and Altonomy also participated in the round.
Genesis Block Ventures, IOSG Ventures and others co-led the seed round.
The project's staking pool is nearing launch after seven months of beta testing.
Newly out of alpha mode, the platform offers up to 5% rewards on both crypto asset savings and spending.
The exchange's owner is also planning a reverse takeover with the aim of listing on TSX Ventures.
Accel Partners and soccer star Rio Ferdinand also joined the Series A investment round.
The company said the capital raised will be used to further grow its business.
The funding will be used to further develop Convergence's testnet and mainnet.
The payments platform is built with the Lightning Network scaling solution, which enables cheaper and faster bitcoin transactions.
SBI's digital assets subsidiary will lead a round that will have raised around $30 million for the Swiss firm over six months.