Bitcoin supports scripting since the day one which gives it capabilities beyond just spending outputs in a "standard" way. One of such use cases is a multi-signature wallet. It allows to "lock" outputs in a way that can only be spendable if m-of-n signatures are present.
One of the valid concerns with many newly emerged Bitcoin wallets is the ability to restore coins once the project is dead. Since most wallet developers don't follow Bitcoin standards such as BIP44, it is often difficult to restore wallet from one software to another. There are however
If you are the type of "Bitcoiner" that gets involved with Bitcoin faucets, online games and so on, the chances are your wallet is full of low-valued outputs. These outputs that each hold small amounts of satoshis (few hundreds to thousands) are called Bitcoin dust. These days, dust
If you care about security and don't feel like buying Trezor, you may want to keep your bitcoins in an offline wallet also known as cold storage. Cold storage is a wallet that isn't connected to any network thus it's not vulnerable to online
In the event of a contentious hard fork and a possible coin split, user's wealth may be in danger without a proper "replay protection" being implemented. This holds true even more so when a user runs a lightweight wallet such as Electrum. Electrum's developer