Recent Posts
Blockchain
Preventing re-entrancy attacks in Solidity
Re-entrancy is a vulnerability in smart contracts that can result in unexpected behavior and loss of funds. This vulnerability enables an attacker to execute a function call repeatedly before the original call has completed. Therefore, re-entrancy can change the contract’s state in unforeseen ways and trigger unintended operations. This can lead to significant security risks, […]
Martin Liguori
March 21, 2023
Blockchain
Understanding Signature Replay in Solidity: A Comprehensive Guide
When developing smart contracts on the Ethereum blockchain, it’s essential to consider potential security vulnerabilities in order to make the contract safe. One important vulnerability comes from is signature replay attacks, which can result in malicious actors gaining unauthorized access to contract functions. The aim of this article is to explain what these attacks are […]
infuy
March 6, 2023
Blockchain
Self Destruct in Solidity: A Guide
First of all, this function is going to be deprecated in the newer versions of Solidity. With that said, let’s talk about this powerful feature, which can be used to destroy a smart contract, freeing up storage on the blockchain. While it can be a useful tool, it can also be dangerous if not used […]
Martin Liguori
February 28, 2023
Blockchain
Preventing Denial of Service Attacks in Solidity
Solidity security is a critical concern for anyone building smart contracts on the Ethereum blockchain. One of the biggest security risks for contracts is the potential for Denial of Service (DoS) attacks. Malicious users can intentionally cause a smart contract to consume more resources than intended, or make it unresponsive, unavailable or cause calls to […]
Martin Liguori
February 27, 2023
Blockchain
Ethereum Tokens & Token Standards – Explained
Blockchain development transformed the way businesses operate. While cryptocurrency coins play an integral role as an investment asset, equally important and useful are the tokens.
Martin Liguori
December 21, 2022
Blockchain
Ethereum PoS – The Merge
There’s been a lot of buzz around the Ethereum Merge – the mainnet merging with the Beacon Chain; the move to the Proof-of-stake consensus mechanism. And finally, on September 15, 2022, it happened. This blog post delves into what Ethereum merge is, its benefits, and more. Let’s get started. What is Ethereum Merge? Until some […]
Martin Liguori
September 21, 2022
Bitcoin
Infuy as a speaker in DeveloperWeek (San Francisco, USA)
On the first days of February the DeveloperWeek conference (https://www.developerweek.com) was held in San Francisco, about DeveloperWeek 2018 is the world’s largest developer expo and conference series with over 8,000 participants across the DeveloperWeek 2018 Conference & Expo, the DeveloperWeek Hackathon, Official Hiring Mixer, andcity-wide partner events. This conference puts the spotlight on new dev […]
infuy
March 1, 2018
Bitcoin
Press Release – El País
Blockchain, the Bitcoin technology that changes paradigms Interview with Alejandro Narancio about Blockchain and Cryptocurrencies.Unalterable, decentralized and transparent, this tool promises to revolutionize several business industries; In Uruguay, some companies are beginning to develop products and explore niches. When Satoshi Nakamoto (whose whereabouts and true identity are unknown) created Bitcoin in 2008, many people recognized […]
infuy
September 23, 2017
Bitcoin
Second Blockchain Meetup
On July 14th we had our second meetup! Topics The agenda had two main topics Practical uses from bitcoin, what is it? , use of exchanges, how to trade?, private and public keys and something of altcoins given by Fatima. Real example of project based on Hyperledger fabric, Smart contracts, and real examples of source-code currently […]
infuy
August 1, 2017
Bitcoin
First Montevideo Blockchain Meetup
. Uruguay is creating capabilities and starting projects in Distributed Ledger Technologies. Monday sunset witnessed a group of people meeting to talk about distributed ledger technologies in a rooftop very close to the Catholic University in Montevideo. In fact, Alejandro Narancio, a seasoned architect and software developer for more than 15 years, who runs a […]
infuy
March 28, 2017