ソース:[1] Why Do We Need Bitcoin L2s? | The Block (https://www.theblock.co/post/370357/why-do-we ...)[2] Bitcoin L2s help crypto miners in Asia supplement income with staking - CoinGlass (https://vertexaisearch.cloud.google.com/groun ...)[3] Bitcoin in 2025: How Rollups and Alkanes Are Redefining Scalability and Programmability (https://vertexaisearch.cloud.google.com/groun ...)