Ethereum is the most requested platform to develop DeFi Apps today. If you have free time, take a look at the Avalanche platform. The community that follows them is waiting for the mainnet. These characteristics of the platform will make Bitcoin many use cases.
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Avalanche finalizes transactions in about a second and clears thousands per second. This makes high-volume P2P payments and asset transfers a reality. The platform can accommodate thousands to millions of participants. The protocol is green and sustainable, and there is no mining.
https://www.avalabs.org/avalanche-x
https://www.avalabs.org/avalanche-x
Might be the most, but not the only, and also that doesn't mean that will be like that forever.
Crypto world moves really fast, before you noticed it, there might be a new ethereum
