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The Longest-Running Monthly Bitcoin and Blockchain Conference in the Netherlands --

-- is held in Amsterdam on the first Wednesday of the month.

For Bitcoin Wednesday's next conference to be held on 3 May in Amsterdam we are proud to present:

The World's Biggest Decentralized Cloud Delivered by the Blockchain

Gilles Fedak is CEO of which just raised $12 million in less than 3 hours on 19 April.  Gilles is a research scientist in Desktop Grid Computing at the French National Institute for Computer Science (INRIA) and an authority on high-performance distributed computing via the blockchain.

Ethereum and Formal Verification

Yoichi Hirai is Formal Verification Engineer for the Ethereum Foundation.  He will talk about his efforts to verify smart contracts and the distributed consensus algorithm at the heart of the new proof-of-stake protocols.

Alice: Blockchain For Social Impact

Raphaël Mazet is co-founder of, an Ethereum app for social impact.  Before his work on Alice, he worked for ten years in corporate relations and digital advocacy in Europe, Latin America and the U.S.

Cryptocurrencies and Crowd Sales for Everyone

Guy Benartzi is CEO of Bancor.  He and his colleague Eyal Hertzog, Bancor’s Chief Architect and Head of Product Development, will talk about fundraising with blockchain tech and the new business cases that are viable as the technology becomes more accessible.

The complete program for this event will be announced at as soon as possible.

A limited number of tickets are available.  Please RSVP early if you plan to attend.

See Or check for the complete line up as soon as it is available.


At our last Bitcoin Wednesday conference we celebrated CoinFest 2017 on 5 April 2017 with a sold-out crowd with presentations from:

•   Jeff Garzik, one of the best-known developers in the industry and a master in blockchain solutions in the enterprise,

 Dimitri Chupryna, co-founder of TAAS, the Tokenized Closed-End Fund,

Rikiya Masuda, European Branch Director of bitFlyer, one of the world's largest Bitcoin exchanges and a notable player in enterprise blockchain solutions serving 3 Japanese megabanks,

• Guy Benartzi, CEO of Bancor Protocol and

Dominic Williams, Chief Scientist of DFINITY.


An impression from Amsterdam's CoinFest 2016:


Coming on 7 June, 2017: The 48th edition of Bitcoin Wednesday.


Bitcoin Wednesday is Nederlands' maandelijkse conferentie voor zowel beginners als gevorderden.

Bitcoin Wednesday is a regular conference dedicated to the digital currency revolution that is always held in Amsterdam on the first Wednesday of every month.

It is organized by and for the Dutch community by some of the Bitcoin pioneers of the Netherlands and is the longest continuously running monthly event of its kind.

There is something for everyone at Bitcoin Wednesday. Whether you're an expert or just getting started, these meetings are for you.

The first Bitcoin Wednesday was held on 3 July 2013 by a few of The Netherlands' earliest Bitcoin pioneers.

Some of the many subjects discussed:

Getting Started, Blockchain, Bitcoin, Ethereum, Ethereum Classic, DAO, smart contracts, Litecoin, Ripple, NXT, Stellar, Counterparty, Zcash, Dash, Lisk, Etherparty, Blockstream, IOTA, Monero, Open Bazaar, Credits, Dogecoin, MaidSafe, Zerocoin, Mining, Trading, Omni, Namecoin, Bitshares, OpenCoin, Peercoin, Primecoin, Bitcoin wallets like Electrum and the Dark Wallet, Bitmessage, Bitmask, BitCloud, Bitcoinproof and much more.

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Dutch Bitcoin User's Group of the Netherlands

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Our Sponsors

  • PikaPay

    One of the easiest ways to use Bitcoin: Payments resolve instantly.

  • Bancor Protocol

    A Standard for the Creation of Tradeable Cryptocurrencies


    Create, Join and Manage DAOs


    Amsterdam, Beijing, Chengdu, Hong Kong, Qingdao, Shenzhen, Tel Aviv

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