作者：admin | 分类：btc | 浏览：87 | 评论：
The introduction of smart contract platforms led to an explosion of innovation， including the rise of Initial Coin Offerings (ICOs) as a fundraising mechanism， decentralized finance (DeFi) applications。
this generation also exposed limitations in blockchain scalability。
and non-fungible tokens (NFTs). However， as evidenced by network congestion and high transaction fees during periods of high demand. ，。