Bitcoin Wednesday Amsterdam

Bitcoin Wednesday Amsterdam
Bitcoin Wednesday Amsterdam
Public group

Location visible to members


The 52nd Bitcoin Wednesday will be held in Amsterdam on 4 October, 2017.

See ticket information below.

RSVP without a ticket doesn't guarantee you a spot.



Karl Kreder ( is Director of Energy for Brooklyn-based blockchain conglomerate, ConsenSys. He plans to deploy Grid+ a secure, Ethereum-enabled gateway, to connect hardware and software for the energy market. Karl received a PhD in Materials Science from The University of Texas at Austin for research in advanced battery technologies.

Sébastien Jehan ( is CEO of Rockchain, a privacy-centric distributed network for processing senstive data on the public Ethereum blockchain. Sébastien is a veteran software architect with more than 20 years experience with bank and trading systems. He is a Telecommunication engineer with a master's degree in econometrics and financial regulation.

Michael Chin ( is co-founder of Blockmason which registers debt and credit obligations on the Ethereum blockchain. He spent four years in the credit department at J.P. Morgan Chase during the immediate aftermath of the debt-fueled financial crisis, and close to 5 years at the Hong Kong office of Intermediate Capital Group, one of the pioneers of mezzanine debt in Europe. He calls Blockmason's Credit Protocol without a hint of irony “the next logical step in the decentralized economy".

Hamid Benyahia ( is CEO of Dether, a peer-to-peer network for connecting cryptocurrency buyers and sellers and physical stores that is based on an Ethereum decentralized application that runs on any smart phone.

Mehdi Amari ( is co-founder and CTO of Dether. He is a full stack Javascript and Ethereum developer. He previously built blockchain-based applications for the financial sector, including a decentralized marketplace for a French bank and blockchain-based signature software for a French insurance company.

Aviv Cohen ( is co-founder of Rootcore, a solution for decentralized collaboration based on the Ethereum blockchain. He was the VP of Sales and Operations for online fraud detection company Fraud Sciences which was acquired by PayPal for $169 million. He holds degrees in computer science, statistics and management from MIT and Tel Aviv University.

Igor Lilic ( is CTO and co-founder of the Enterprise Group at the Brooklyn-based Blockchain conglomerate ConsenSys. He wrote the Proof of Physical Address (PoPA) system and previously worked as a senior consultant for ThoughtWorks, Amazon Web Services, OANDA, SAP and AMD.

Mark D'Agostino ( is a managing partner at ConsenSys and the lead for its Energy consulting engagements. He has successfully helped to deliver Ethereum-based applications for Fortune 500 banks, global energy companies and governments.

Rik Esselink ( will be the Session Chair for this conference. Rik is the former marketing director of Philips and MD EMEA for Axon. He is currently MD Europe for one of the world’s fastest growing connected home startups, He has been an active member of the Amsterdam blockchain community for many years.

This section will be updated regularly. The complete lineup ( is available here.



Doors open at 1700, including drinks (cash bar, Bitcoin accepted) and networking.

The program starts at 1900.



• Please follow the instructions carefully.


• While supplies last, 20,- in advance with Bitcoin only and with cash at the door.

• Send a blank mail to

tickets AT BitcoinWednesday DOT com

to get our Bitcoin address.

• Add this email to your address book to make sure you get the ticket information.

• Limited numbers of tickets are available.

• Buying advance tickets saves time at the door.

• Please pick up your advance tickets before 19:15.

• Both euro and bitcoins accepted at the door. No credit cards. No PIN.

• Entrance and seating is first come, first served. Please arrive early in case we sell out.

• These suggested amounts help keep Bitcoin Wednesday running and go 100% into producing more events like these.

• Feel free to donate more if you like. Or volunteer to help us: hello AT BitcoinWednesday DOT com

• No refunds. Your order is a non-refundable contribution to the non-profit Bitcoin Foundation of The Netherlands.

• Sale of Early Bird and Regular Admission tickets has concluded.

Sold Out?

• Not yet. If and when we do, we'll post it here first.


Bitcoin Wednesday

One of the best and longest-running regular Bitcoin and Blockchain conferences in the Netherlands.

Always held on the first Wednesday of every month.

An open and informal program for anyone interested in digital currency and the blockchain.

For Bitcoin novices and experts alike. Beginners, investors, entrepreneurs, developers, miners, traders, legal professionals -- all find value in this event.

Brings together a diverse group of people from all levels and backgrounds without any barriers in order to give this important new technology a prominent role in Dutch society.

One of the goals of Bitcoin Wednesday is to promote the industry, to spread the word about Bitcoin (and related technology) in the Netherlands by raising the overall level of awareness and knowledge.