It's been some time, but our next @21lectures  Advanced Course for developers is coming!

Get to meet and learn from @_benma_, @_jonasschnelli_, @Snyke, @KasparEtter, and @neurddom about Bitcoin, Cryptography, and .

Learn more at https://t.co/zF5iLKK49z https://t.co/TRRKCbjhap