Metadata in the Blockchain: The OP_RETURN Explosion Presented Gideon Greenspan, Founder and CEO, Coin Sciences Ltd (www.multichain.com/about-coin-sciences-ltd/) Just over a year ago, Bitcoin Core introduced an official mechanism for embedding arbitrary metadata in transactions, called OP_RETURN. This transformed bitcoin into a low-level protocol on which…

You have to feel sorry for Bitcoin. A child genius who, despite being unceremoniously dumped by its own mother (or father) when barely two years old, was lovingly saved and fostered by a group of charitable devotees. All was looking fine – even when the…

Its been a while since we just had a good old social get-together. Two well known members of the bitcoin community from the other side of the pond are in town and wanted to meet some London crypto-fans so we thought we’d kill two birds…

Tools For The Future #2 Cryptographic identity & Bitcoins built in philosophy. Coinscrum and Proof of Work Media join forces again and return to 93 Feet East for the second of our Tools for the Future series, focusing on the social rather than the business…

To kick off our first event of 2015, Coinscrum, the worlds largest digital currency networking group, and Bullion Bitcoin invite you to a “get-to-know” evening where well be showcasing some of the latest block chain-based innovators and creators operating here in the UK. Launched late…

So another year roles on by and what a great year its been. Wed like to thank everyone for the support they”ve shown for our events and we look forward to bringing you more of the same in 2015. And to end 2014 in style…

Dear Bitcoin buddies I would like to invite you to attend Bitcoins 4 Babies, an event I am arranging in Londons hip and happening Brick Lane on Friday 21st November at 93 Feet East. The event is to raise bitcoins and cash for the wonderful…

Tweet about this event using #FoPBTC The Future of Payments : Old vs New Coinbase co-founder and CEO Brian Armstrong joins a panel with Paul Rodgers of Vendorcom and Eitan Jankelewitz of Sheridans. It is remarkable to think that bitcoin has existed for just five…

This is a regular university research seminar more suited to those that have a reasonably good understanding of block chain technologies. Topics: financial cryptography, payment, applied cryptography, P2P financial systems, digital currencies, bitcoin network, double spending, 51%, security, attacks, ECDSa, elliptic curve, key managment, cold…

Were pleased to be welcoming Susanne Tarkowski and other members of the team that have been working hard on the BitNation project to an informal presentation, discussion and audience Q&A at The Vape Lab this coming Tuesday, 14th October at 6pm. You can find out…

Coinscrum – Inside Bitcoin : After PartyOk people. Summers over and its time to get back to business. Were proud to be holding our next event on the first evening of Inside Bitcoin London (www.insidebitcoins.com) at Bold Rocket, the home of Londons new Bitcoin co-working…

Now that the nights are drawing in and knowing that at least some of you should probably take a break from staring at charts on Bitcoinity, we thought wed better make the most of whats left of the summer and go hang out with the…