As described in A look at cryptocurrency URIs there have been many efforts in the last decade of cryptocurrency development to create easier ways to facilitate payments using coin-specific URIs and payment protocols. The first widely used design was BIP-21 for Bitcoin, which formed the basis for other efforts for Ethereum, Bitcoin Cash, etc. The …
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The ticker symbol problem
Cryptocurrencies (and indeed all currencies) are referred to by their names, by letter-based ticker symbols, as well as by graphic symbols. Common ticker symbols for cryptocurrencies include BTC for Bitcoin and ETH for Ether. You may have also seen XBT used for Bitcoin, and therein lies the seed of a major problem for those looking …