I am happy to publish my Free Java Foundations Full Course (30 hours video tutorial + 74 hands-on exercises). This course is designed as next step after the “Java Basics” free course. It will help you learn the core of programming with Java, using a practical, hands-on approach. In this free Java programming course I

I am happy to publish my free Java coding basics course for absolute beginners in computer programming (13 hours video tutorial + 74 hands-on exercises). This is an excellent Java coding video tutorial, which gets deep into basic programming concepts, such as coding techniques, algorithmic thinking, problem solving and debugging. Access the free Java coding

I am very happy to announce that SoftUni is now global. We are building a global learn-to-code community, which provides a free mentorship help for code learners, along with weekly code lessons with hands-on exercises, video tutorials, events for developers and other free learning resources. Come and join for free, learn coding, get help from

I was invited speaker at the Sofia Science Festival (May 2019). My talk was about cryptography, but for non-technical people, absolute beginners, without any math or programming background. Slides: Cryptography for Absolute Beginners These are my presentation slides about hash functions, MAC codes, key derivation functions, symmetric encryption and AES, asymmetric encryption and ECIES, digital

Today a gave a technical talk titled “Crypto Wallets: A Technical Perspective” at the OpenFest 2018 conference in Sofia about crypto wallets, wallet standards and the cryptography behind them, with live examples in JavaScript. Slides from OpenFest 2018 – Crypto Wallets: A Technical Perspective (by Svetlin Nakov)  Video from OpenFest 2018 – Crypto Wallets: A Technical Perspective

I am happy to announce that I was invited as speaker at CryptoBlockCon 2018 – Las Vegas. I will give an overview talk about the consensus algorithms in the blockchain networks, such as proof of work, proof of stake and byzantine fault tolerance. Event: CryptoBlockCon – Las Vegas, 2018 Date: 11-December-2018, 12:05 – 12:25 (@ Blockchain Tech

I am happy to announce that I was confirmed as a speaker at the Blockchain Economy Istanbul Summit 2019. My talk is technical, about DApps, Ethereum and Solidity: Title: Building Decentralized (DApps) in Ethereum Date: February 20, 2019 Location: Haliç Congress Center, Istanbul See you in Istanbul. It is expected to be a big event, with thousands

Today I had a talk at the SoftUnit Conf 2018 titled “Multi-Signature Crypto-Wallets“, where I explained the the problems with single-user-controlled wallets, the concepts of multisig wallets, multisig addresses, how multi-signature wallets are implemented in Bitcoin and Ethereum and demonstrated the Gnosis multisig wallet contract (Solidity code), running on the Ropsten Ethereum testnet, along with the