eth price coindeskDISCLOSURE: This text was written with the assistance of AI, then reviewed by a person While blockchains are incredibly efficient at storing and recording data, they are unable to send or receive data from any external source. A typical blockchain may only read and receive data that is considered “on-chain.” While blockchains are incredibly efficient at storing and recording data, they are unable to send or receive data from any external source. A typical blockchain may only read and receive data that is considered “on-chain.” “Many believe that the Merge might make Ethereum faster or cheaper," Will Harborne, founder and CEO of the rhino.fi protocol, told CoinDesk. "This is not the case. For end users or developers, there should be no noticeable difference between Ethereum before and after the Merge.”