This story was originally published on HackerNoon at: https://hackernoon.com/last-mile-of-blockchains-rpc-and-node-as-a-service. This paper surveys methods for accessing blockchains, comparing full nodes and third-party services based on integrity, availability, and privacy. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #blockchain-api, #node-as-a-service, #blockchain-accessibility, #blockchain-security, #full-node, #light-node, #rpc-(remote-procedure-call), #hackernoon-top-story, and more. This story was written by: @blockchainize. Learn more about this writer by checking @blockchainize's about page, and for more stories, please visit hackernoon.com. The paper compares different methods for accessing blockchains, highlightingthe trade-offs between running a full node and relying on third-party services. It concludes that running a full node remains the most secure way to access blockchain information, emphasizing the importance of integrity, availability, and privacy in future blockchain accessibility services.