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What we’re about

![img](https://secure.meetupstatic.com/photos/event/e/1/d/e/600_343737822.jpeg)

Bitcoin Amsterdam
takes place every two weeks (first Meetup in 2011).
This group is for people from the Netherlands area who interested in Ethereum, smart contracts and (mining of) Bitcoin, Litecoin, Zerocoin, Mastercoin, Namecoin, Open Transactions, OpenCoin.org, Peercoin, Primecoin, Ripple, Bitcoin wallets like the Dark Wallet, communication systems based on Bitcoin like Bitmessage and Bitmask, BitCloud and Bitcoinproof: a forgery-proof timestamp for your data, secured by the bitcoin network. Meet, discuss and create opportunities!