Your tokens are stored on a public address. Your ability to access them requires a key (or your seed phrase). You need to keep your seed phrase safe to protect your assets. Never give your private key to anyone else. 

Using two-factor authorization for your exchange account is necessary.

Be wary of phishing attacks where hackers send a fraudulent

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The next billion crypto users shouldn't have to pay to make crypto usable. They shouldn't have to deal with long addresses that could lead to huge issues like them losing funds. What's the Gmail of wallet addressing?

Asset owners (or custodians) generate private keys, sign messages indicating asset transfer, and then broadcast those messages to the public so that the world can verify the scarce asset hasn’t been double spent. Each private key is tied to a public key. Where KYC/AML are necessary, public keys can be mapped to some off-chain identity system (e.g.... See more