Sure, ethereum addresses are case-sensitive. You have to use the proper capitalization when entering an address to guarantee your transaction goes on the intended receiver. Double-Test your address in advance of sending any cash. Ethers.js is a lightweight choice to Web3.js, that's the most commonly used Ethereum library currently. Ethers.js https://josuefdyup.blogginaway.com/30069506/trx-address-generator-secrets