the Bitcoin network through our super nodes. How do I fund a Bitcoin Wallet? We built the following features into this version of Copay for a bitcoin wallet that doesnt compromise on security or accessibility: Multiple wallet creation and management in-app Intuitive multisignature security for personal or shared wallets Easy spending proposal flow for shared wallets and group payments. Historically, before the advent of public key cryptography, the greatest cryptographic weakness was the inability to communicate the key that makes sense of encrypted messages. Just like you would avoid flailing your bills about in a dangerous place, you should make sure to keep your passwords and keys as safe as possible. No need to download huge blockchain files locally. Bitcoin transactions cannot be reversed, so dont lose your coins forever to a stranger!