Introduction I'd like to talk about ... we actually discovered we can replace the script completely with soft-forks. It's important to note this quote from satoshi, from summer 2010: "I don't believe a second compatible implementation will ever" ...... Comparing open-source development to bitcoi...

stark: Thank you Giacomo. Who here had too much fun at the party last night? My voice is going. Hopefully it will stay for this interview. We are lucky to have Adam Back here today, co-founder of <a href=" and inventor of <a href=" (<a href=" He just happened to appear and there was an available spo...

Intro I’d like to talk about breaking Bitcoin today. Before I do that I’d like to give a short demonstration. Demo Right now I am SSH’d into a server with a couple of nodes on it. I am going to start up a bitcoind node and I am going to connect to one of these nodes and have it serve me a chain....

Solar powered space pirates: A threat to bitcoin? Let's see. How do I make this fullscreen? Alright, anyone who can actually read French know how to make this fullscreen? My french teachers in high school would be very disappointed in me. My name is Peter Todd. I do cryptography consulting. I've...

Breaking hardware wallets: Tales from the trenches and glimpses into the future Hello. Nobody cares? Ah. So next up is Nicolas. And he will talk about hardware attacks. Thank you. Introduction Hi everybody. Thanks for making a great conference so far. I am Nicolas from Ledger hardware wallet. ...

Introduction Hi. Thanks for Breaking Bitcoin to invite me to speak and to present this research on Moby Dick. Moby Dick and spam attacks-- let me explain, Moby Dick is an entity that spammed or sent a lot of transactions in bitcoin in 2015. We did some analysis on who this person is or what they w...

Next up is Thomas. Introduction Alright. Hello everyone. Thank you for having me. I'm the developer of the Electrum wallet. I started this project in 2011. I'm going to talk about lite clients and the implication of the 2017 hard-fork. We might be in the middle of two forks at the moment. So we ...

KL: Can you hear me? Is it good? Okay. I hope you have practiced your French because.. no, the presentations are in English. Welcome and thank you very much for being here. This conference will very probably be the best we've had in the bitcoin sphere. The crowd is pretty crazy. I've had the ticket ...

Our next speaker is Giacomo Zucco. Yeah, have fun. ((Applause)) As you can hear, there are a lot of italians here. Okay. So, good afternoon everyone. I am Giacomo Zucco. I am a theoretical physicist. I worked at Accenture as a technology consultant and now I work at BHB Network which is a bridge b...