Most "paper currencies," such as the euro, have legal tender status. This means the currency is the countryrsquos officially recognised currency, and must be accepted as payment of a debt. Not all blockchains are 100% impenetrable. They are distributed ledgers that use code to create the security level they have become known for. If there are vulnerabilities in the coding, they can be exploited. For an overview of digital assets, which include cryptocurrencies, start with Demystifying cryptocurrency and digital assets. We provide an introduction into the mechanics of the digital asset world, how it functions, the various categories of assets, and where the future of this space could lead. MetaMask generates passwords and keys on your device, so only you have access to your accounts and data. You always choose what to share and what to keep private.
