DeFiLlama tracks over one hundred thirty blockchains and provides data on the TVL of every chain. you could click any in the chains and get a DeFi list of tasks working on that blockchain.
The Stablecoin chart is https://deweyojyb114021.wikicommunications.com/4434588/the_smart_trick_of_defillama_airdrop_that_nobody_is_discussing