Simple Secure Tumbler

[LLFourn]

Discussion Issue for the Simple Secure Tumbler.

[LLFourn]

Some references that should be worked into this article:

• BOLT: https://acmccs.github.io/papers/p473-greenA.pdf and https://boltlabs.tech
• Coin party: https://www.martinhenze.de/wp-content/papercite-data/pdf/zgh+15.pdf (also relevant to On Chaumain Mints and their Applicability to Bitcoin #20)

h/t @nothingmuch for mentioning these.