To paraphrase Amanda Palmer, people want to give you their money so make sure you can take it. DipJar is a tipjar that takes tips via credit cards. It's designed as a self-serve solution for coffee shops and similar settings and suggests one possible solution for street musicians in a cashless society. Accepting payment in digital currency such as Bitcoin is another issue facing musicians. Lots of retailers are coming on board and now there are tools for taking Bitcoin as direct payments on your site. Tip Jars in a Cashless Society Tips are one form of payment that aren't...

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