The online non-fungible token (NFT) auction house OpenSea has surpassed $1 billion in monthly trading volume, according to data compiled by The Block. According to the report, the firm’s trading volume increased 286% from July to August. It has carried the majority of NFT monthly trading volume since May 2021.

In July, OpenSea raised $100 million in its Series B funding round led by Andreessen Horowitz, bringing the firm to a valuation of $1.5 billion. The company has seen $1.23 billion in volume in August. The entire marketplace was at $1.27 billion for this month. OpenSea saw $160 million in sales in June.

OpenSea is planning to expand its service to multiple blockchains in search of a long-term solution. OpenSea plans to expand Flow — created by the first NFT creators behind the world-famous digital collectible cats CryptoKitties — and Tezos (XTZ-X) blockchains.