The nearly 60 ecological partners announced by Coinbase L2 Network Base include Chainlink, Blockdaemon, Infura, QuikNode, Blockscout, Etherscan, Dune analytics, Hop Protocol, Nansen, 0x, Ondo, Panoptic, Aave, Gelato Network, Pyth Network, Rainbow Wallet, Ribbon Finance, Balancer, PoolTogether, Euler Labs, The Graph, Wormhole, SushiSwap, Covalent, etc. On the evening of February 23, Coinbase announced the launch of the testnet version of the Ethereum Layer 2 network Base. Base is built on the open source OP Stack and will not issue dedicated tokens. Coinbase will also partner with Optimism to build the OP Stack. Additionally, Coinbase and its venture capital arm, Coinbase Ventures, will launch the Base Ecosystem Fund to make significant investments in Base-based companies and organizations at the pre-seed stage.