🔢 Today’s practical tips: private keys and addresses
EIP-55 adds a checksum to Ethereum addresses by mixing uppercase and lowercase letters. If you mistype a character in an address, wallets that support checksum validation can often catch it.
After pasting an address, double-check the first few, last few, and some characters in the middle—don’t check only the beginning and end.
Only install apps through official channels; don’t download installation files sent by others.
Coin mentioned in this post: $BTC , current price 82179.74 (24h +0.64%).

Be aware of the risks and make your own decisions.