Oleg Andreev



Software designer with focus on user experience and security.

You may start with my selection of articles on Bitcoin.

Переводы некоторых статей на русский.


Product architect at Chain.

Author of Gitbox version control app.

Author of CoreBitcoin, a Bitcoin toolkit for Objective-C.

Author of BTCRuby, a Bitcoin toolkit for Ruby.

Former lead dev of FunGolf GPS, the best golfer's personal assistant.


I am happy to give you an interview or provide you with a consultation.
I am very interested in innovative ways to secure property and personal interactions: all the way from cryptography to user interfaces. I am not interested in trading, mining or building exchanges.

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May 15
Human-friendly Base32 encoding by Douglas Crockford

The encoding scheme is required to

— Be human readable and machine readable.
— Be compact. Humans have difficulty in manipulating long strings of arbitrary symbols.
— Be error resistant. Entering the symbols must not require keyboarding gymnastics.
— Be pronounceable. Humans should be able to accurately transmit the symbols to other humans using a telephone.