Technical

223 Videos

How are Transactions Feeless on EOSIO?

With blockchain platforms that use a proof-of-work consensus mechanism, there are fees for each transaction processed. EOSIO eliminates these by having the network shoulder the burden of these costs – through inflation – rather than making the individual users of the network pay to access its combined resources. In other words, ownership of tokens covers […]

Cheaters Can’t Cheat: Fairness Protocol Explained [The value in bitcoin, ethereum, open blockchains]

What is really unique and valuable about bitcoin or ethereum? It’s more than monetary policy. More than smart contracts. In this video, Andreas explains what he calls, “The Fairness Protocol”, using a story from his childhood of his cousins, a bowl of french fries, and the dilemma of how to fairly split the food between […]

What is interoperability and why is it important?

NOTE: As you cruise along this series, you will notice how fast the DeFi space is; both in terms of execution and change. So if you happen to spot a discrepancy between what is said and what is shown on screen, particularly in regards to numbers, it is due to that. Keep it in mind […]

128 Bit or 256 Bit Encryption? – Computerphile

What do the various levels of encryption mean, and why use one over another? Dr Mike Pound takes us through the cryptic world of encryption levels. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More […]

DNS Cache Poisoning – Computerphile

Poisoning the DNS cache is a sure way to serve malware to unsuspecting users. Dr Mike Pound explains some of the ways this has been accomplished. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More […]

How DNS Works – Computerphile

How do websites marry up to their IP addresses? Dr Mike Pound explains the Domain Name System – DNS. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

What are Digital Signatures? – Computerphile

How do you verify that someone is who they say they are? Dr Mike Pound on digital signatures. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

How To Debug Metamask Errors? (for developers)

HOW TO GET STARTED IN BLOCKCHAIN? 👉 FREE LIVE Training on November 27th, 11am EST time 👉 Register HERE: https://mailchi.mp/926ff373ccf4/how-to-get-started-in-blockchain 👉 The BIG mistake that most people do in Blockchain 👉 How to find your Blockchain Job? 👉 How to build your own Blockchain project? 👉 How to make money programmatically in Blockchain? COURSES 👉 […]

Elliptic Curves – Computerphile

Just what are elliptic curves and why use a graph shape in cryptography? Dr Mike Pound explains. Mike’s myriad Diffie-Hellman videos: https://www.youtube.com/playlist?list=PLzH6n4zXuckpoaxDKOOV26yhgoY2S-xYg https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

High-Speed Cryptography in Java: X25519, Poly1305, and EdDSA

Adam Petcher, Principal Member of Technical Staff, Oracle JDK 11 includes support for the first of a new breed of cryptographic algorithm that features improved performance, trustworthiness, and security in cloud and multitenant environments. This session describes the features and implementations of some of these algorithms: X25519 key agreement, Poly1305 authentication, and EdDSA signatures. The […]

Crea tu propio anchor con Stellar – Code & Hacks

¡Ya aprendimos sobre los Stellar Anchors y cómo funcionan! Ahora, aprende a crear tu propio anchor en esta nueva sesión de #CodeandHacks. :::: Blockdemy ::: 📌 Instagram: @blockdemy 📌 Twitter: @blockdemy 📌 Facebook: blockdemy 📌LinkedIn: company/blockdemy :::Stellar::: 📌 IG, TW, FB: @stellarOrg

Hyperledger Fabric external chaincode service

A recording of Hyperledger Sweden’s regular Tech Study Circle that covers cover basic concepts behind the Hyperledger Fabric external chaincode service and how techniques like buildpacks work and what changes to the test network are required. More about the event is at: https://www.meetup.com/Hyperledger-Sweden/events/ctplzrybcpbjb/