bitcoinj is a library for working with the Bitcoin protocol. It can maintain a wallet, send/receive transactions without needing a local copy of Bitcoin Core and has many other advanced features. It's implemented in Java but can be used from any JVM compatible language, examples in Python and JavaScript are included. Highly optimized lightweight simplified payment verification (SPV) mode. In this mode, only a small part of the blockchain is downloaded, making bitcoin suitable for usage on...
Monitors balances of your cryptocurrency addresses
Cryptocheck monitors balances of your cryptocurrency addresses and raises an alert in case of any change detected. It connects to known block explorer API services to verify balances.
It is useful for long-term investors with multiple different cryptocurrencies in their portfolio. You no longer need to access all your wallets with passwords to simply just check that your money are still there.
Cryptocheck also provides a simple profit calculation and history charts mapping your...