2.Because they can offer unique characteristics which make them different and digitally scarce.
Many tokens - and indeed cryptocurrencies - are fungible.
If you send someone a Bitcoin, and get one back, you wouldn't notice any difference.
A lot of the time, fungible tokens are built using a standard called ERC-20.
For the sake of simplicity, let's imagine each of these tokens is a $10 bill.
If you sent a token to someone, and got another one back a week later, they would be identical.
This all changes with non-fungible tokens, many of which are ERC-721 compliant.
If you were to accidentally send one of these tokens to someone, and get a different ERC-721 token back, you might be very upset.
Fungible tokens are divisible - meaning you can send a fraction of one ERC-20 token.
On the other hand, non-fungible ERC-721 tokens cannot be divided and must be bought or sold whole.
Non-Fungible Tokens, Explained
gepubliceerd op Jul 26, 2018
by Cointele | gepubliceerd op Coinage
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