M.Sc. in Blockchain and DLTs
Focused on Blockchain and DLT technologies. Especially interested in Smart Contracts, Privacy and Zero Knowledge Proofs (ZKPs).
See some of my work here:
https://github.com/kaxxa123
Experienced in software design, development, and project management. Developed various commercial applications primarily as a backend developer.
Languages: Solidity, TypeScript+Node.js, C/C++, C#
Technologies and Frameworks – Whatever it takes to solve the problem at hand, including Hardhat, Foundry, Slither, Mythril, Echidna, Nethereum, NBitcoin, Coinbase/Binance REST Integration, .NET, Win32, SQL, DNS, MIME.
Experienced in working with technical documents in the ZKP space and Email related RFCs.
Articles from Alexander Zammit
Smart Contract Deployment Internals
Category -
Ethereum,
Solidity
| Jun 21, 2023
Contract deployment transactions are unique in a number of ways. In this article we dissect such a transaction taking a close look at the bytecode giving birth to a new contract.
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To Share or not to Share Secrets with Ledger
Category -
Privacy
| May 18, 2023
Ledger does NOT need a sneaky backdoor to run their seed recovery service! Without delving into whether one should use such a service, I write about how Ledger only requires the well-known Shamir's secret sharing scheme to run their service.
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PLONK by Crypto-Toys
Category -
Privacy,
ZKP
| May 11, 2023
The application of Zero Knowledge Proofs (ZKPs) in the blockchain space needs little introduction. Whether we look at scalability solutions or on-chain privacy, ZKPs are almost always in the mix. Today I will walk you through a ZKP PLONK setup using my new node.js project Crypto-Toys.
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GDPR vs Blockchains vs Oversight
Category -
Law,
Privacy
| Jun 16, 2021
As if achieving GDPR compliance wasn’t hard enough, blockchains have to contend with oversight demands expecting privacy protection to be selectively lifted. Today we conclude this series with a look at other challenges that privacy solutions have to navigate.
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GDPR vs Blockchains - Convergence
Category -
Law,
Privacy
| Jun 01, 2021
Just because the original privacy preserving features proposed in Bitcoin turned out to be insufficient, the pursuit to fulfill its privacy vision never stopped. Today we focus on how blockchains are strengthening their privacy safeguards.
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GDPR vs Blockchains - The Conflict
Category -
Law,
Privacy
| May 19, 2021
Are blockchain applications and GDPR compliance irreconcilable? In this article series I look at the technical issues putting the two at odds. We also discuss elements of convergence highlighting how the technology is reacting to this challenge.
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How to Stake on Ethereum 2.0 Mainnet
Category -
Ethereum
| Nov 17, 2020
This November Ethereum 2.0 hit another milestone, the release of the mainnet staking deposit contract. After multiple test launches, we are getting ready for the Phase 0 main highlight, the mainnet Beacon Chain.
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An Introduction to Ethereum 2.0
Category -
Ethereum
| Oct 08, 2020
The much-anticipated Ethereum 2.0 multi-phase deployment has started! In the last few weeks, I have posted screenshots of my Ethereum Beacon Chain and Validator nodes to the BlockchainThings Twitter and Facebook pages. I hope this has teased your curiosity, because now is the time to start learning about it!
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An Introduction to Bitcoin Scripts
Category -
Bitcoin
| Sep 17, 2020
Lying at the heart of the Bitcoin transaction settlement system is a scripting language. Today we look at the Bitcoin Genesis and use this to learn about Bitcoin Scripts.
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Deploying & Running Solidity Smart Contracts on TON OS
Category -
Solidity,
Free TON
| Sep 04, 2020
A few weeks ago, we walked through the installation of TON OS. It is now time to take this a step further. Today we deploy and run a Solidity smart contract. In the process we discover some key differences between Ethereum and the TON blockchain.
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How High did Ethereum Transaction Fees Really Go?
Category -
Ethereum
| Aug 21, 2020
Did Ethereum transaction fees really jump to $40? Will DeFi applications jump the ship? It is time to investigate what the fuss is all about. The data is there, we just need to take the trouble of collecting and analyzing it. This is exactly what I did and here are my findings.
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Running TON OS on Windows
Category -
Free TON
| Aug 05, 2020
Born from Telegram's blockchain ashes, Free TON inherited a feature-rich codebase. Today we look at how Free TON came about. Next, I will show you how to run TON OS on Windows 10.
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Designing an Unbounded List in Solidity
Category -
Ethereum,
Solidity
| Jul 23, 2020
In most applications, working with lists is fairly trivial. Most languages provide libraries for list handling, and we hardly need to worry about the details. However smart contracts are unlike "most applications", and we need to pay special attention to design restrictions imposed by the blockchain.
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Running an Ethereum Node for Software Development
Category -
Ethereum
| Jul 01, 2020
Running nodes is often synonymous with mining and earning rewards. However, to developers the blockchain is a platform for testing, deploying and running code. Here is how I am running an Ethereum node, synced to the mainnet for development purposes.
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