One article to review the advantages and disadvantages of five types of Bitcoin expansion plans

Flatcoin: Coinbase’s vision for stable cryptocurrency purchasing power

Taking stock of the three major contract technical directions of Bitcoin

PoW seems outdated, but innovation hasn't stopped

Exploring Energy Currency: The End of RWA is PoW

Alternative View: The flaws of Bitcoin have given Ethereum and USDT a chance to survive.

8 theories prove that PoW is the foundation of future currency

Explore the three possibilities of ZK-Rollups in Bitcoin expansion