Dr. Stefan Beyer is a consultant in Distributed Ledger Technology and Cryptography focusing on blockchain architectures and smart contract security.
He obtained a Ph.D. from the University of Manchester in 2004 with a thesis titled “Dynamic Configuration of Embedded Operating Systems” and has since been involved with distributed systems and, more recently, with cybersecurity.
As a distributed systems researcher, he worked on subjects, such as distributed consensus, reliable group communication, and replication protocols, long before these concepts were adopted by blockchain technology with the emergence of Bitcoin and subsequent protocols.
Dr. Stefan Beyer is the CEO and co-founder of Cryptonics Consulting, a company specializing in blockchain security and blockchain architecture development.
Within Cryptonics, he focuses on Ethereum smart contract auditing and blockchain architecture definition.
He is also a co-founder and technical director of the blockchain-based freelance marketplace Wedoo aiming to bring decentralization to global workforce contracting, replacing trusted escrow services and custodians with smart contracts.
Dr. Stefan Beyer acts as an advisor for a number of start-ups, including:
He is a member of the Policy and Framework Conditions working group of the EU Blockchain Observatory and Forum.
He is equally fluent in English, Spanish and German.
Signature Replay Vulnerabilities in Smart Contracts
Cryptographic signatures are a fundamental building block of blockchains. Transactions are signed with the private keys corresponding…
Apr 15, 2019 / 5min read. Read More
Proof-of-Work is not a Consensus Protocol: Understanding the Basics of Blockchain Consensus
Blockchain and distributed computing are complex technologies consisting of a number of layers. Few people understand the underlying…
Apr 01, 2019 / 7min read. Read More
Smart Contract Audits — The 12 Steps to Blockchain Security
At Cryptonics, we have audited the smart contracts of 22 blockchain projects during the last 12 months. These projects included both…
Feb 04, 2019 / 6min read. Read More
The Big Decentralization Lie
Blockchain projects, particularly those based on permissionless platforms, usually sell themselves as Decentralized Applications (DApps)…
Dec 12, 2018 / 4min read. Read More
Blockchain Interoperability — Moving Assets Across Chains
Since Bitcoin emerged as the world’s first peer-to-peer currency, it has become common practice to represent assets on blockchains. Assets…
Nov 05, 2018 / 9min read. Read More
Mapping the Insurance Business onto the Blockchain
We have talked a lot about how the blockchain can revolutionize the insurance industry and how distributed ledger technologies can be put…
Oct 03, 2018 / 5min read. Read More
Data Privacy in Enterprise Blockchain Solutions
Enterprise blockchain designers face an interesting conundrum when faced with building a system. On the one hand, blockchains are all about…
Sep 24, 2018 / 3min read. Read More
Introducing Rainy Day — A Blockchain-Based Insurance Game
We have talked a lot in recent articles on how the blockchain can revolutionize the insurance industry. After much theoretical musing on…
Sep 06, 2018 / 3min read. Read More
The Lifecycle and Governance of Blockchain-based Investment Syndicates
Blockchain technology allows automating processes and trust to be placed in decentralized protocols instead of trusted third parties…
Aug 27, 2018 / 5min read. Read More
Designing a Token Economy Model for the Insurance Industry
In most blockchain applications tokenized assets form the basis for an economic model. Tokens may represent value, voting rights…
Aug 21, 2018 / 5min read. Read More