Smart contracts are used by Ethereum to handle processed based on transactions. Many companies, banks and crypto enthusiasts use them for selling their services or products. Those contracts are written by developers and some of those contains vulnerabilities. One of those is the Visibility issue.Read More »Exploit and Remediate Function Visibility Vulnerabilities in Smart Contracts
Smart Contracts, the self-executing code running on blockchain platforms, have revolutionized various industries by automating processes and providing decentralized solutions.Read More »Exploit and Prevent Reentrancy Attacks in Smart Contracts
Crypto wallets use BIP39 mnemonic in order to help people memorize their key, without having to write long almost random looking strings. Those are presented to users when they create their first wallet and contain a list of 12 to 24 random words.Read More »Are 24 words strong enough to protect your valuable crypto assets?
Gas is a fee mechanism implemented by Ethereum to help with transactions. This fee is a fraction of the transaction presented in Wei, which is 10-12 of an Ether. Total fee price depends on the size of the smart contract and its functionality.Read More »How to Save Gas in your Ethereum Smart Contracts
Cryptocurrencies entered our daily life and got our attention around 5 years ago in 2016 when Bitcoin started booming. People use cryptocurrencies as an investment or as a gateway for anonymity but how big is their impact for the environment?Read More »Do Cryptocurrencies Destroy the Environment?
Cryptocurrencies become more and more relevant in our daily lives. We get bombarded with articles of “Bitcoin’s new high” combined with a picture of rockets taking off. Numerous people see cryptocurrencies as an investment and either hold their coins or do daily trades.Read More »Can cryptocurrencies replace fiat money?