Mainstream cryptocurrency wallet for Ethereum (ETH) and Ethereum-based (ERC-20) tokens, Rainbow, has released an arrow of important updates. NFTs on Optimism (OP), Polygon (MATIC), Arbitrum are available on Rainbow According to the official announcements shared in Rainbow’s Twitter account, the wallet now supports a full range of operations with non-fungible tokens on major EVM networks. Namely, starting from July, 2022, Rainbow…