Nah, login errors happen when you can't get into a wallet or exchange. Blockchain errors are about transaction issues.
Like if login's a key to your house, blockchain's about mail delivery problems. Different things! 🔑🏠✉️🚫
What is bitcoinj?
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Bitcoinj is a Java library for working with Bitcoin. It lets devs make Bitcoin apps without needing a full node.
Think of it as a toolbox to create your own Bitcoin stuff. Handy! 🧰💻🛠️
Is it an spv wallet?
