This is a talk from Blackhat Europe 2017, but it makes a lot of sense to dig this up again since Samsung will release a phone with an embedded crypto wallet.

Let's be careful of where we keep our coins!

https://www.blackhat.com/docs/eu-17/materials/eu-17-Ma-How-Samsung-Secures-Your-Wallet-And-How-To-Break-It.pdf

Link taken from: https://the-infosec.com/2017/12/29/blackhat-europe-2017-conference-notes/

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Let's surf the solar waves in the moon!