Wu said that according to DeFiLlama data, benefiting from the popularity of the Ordinals NFT protocol on the Bitcoin chain, the TVL on the Stacks chain used for the L2 layer of Bitcoin smart contracts has increased by 155% to US$22.51 million in the past week, of which the on-chain DEX ALEX has increased by more than 200%, accounting for 86% of Stacks TVL.