Blog - 4soft

51% Attack - Insights on Safety of Blockchain

Aleksander Olszewski 26.07.2018

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Blockchain is ‘democratic’ in its nature, and assumes that the majority is right. It means that a group controlling more computing power than the other users combined can have the right to influence and exploit the system, getting away with stolen tokens....
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ERC-721 Ethereum Standard - What is it for?

Aleksander Olszewski 24.07.2018

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Ethereum Improvement Proposals are important part of blockchain development standardisation on this platform. The number 721 describes standard for non-fungible tokens. Here’s a short introduction to it, with all the basics you should know....
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Top 3 Ethereum Competitors in 2018 (and how are they better)

Aleksander Olszewski 19.07.2018

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Ethereum is the second most popular cryptocurrency after Bitcoin and the most popular platform that can run decentralized apps. But it is not the only one. There are competitors rising, and the stake is high....
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Is ICO Necessary During Your Fundraising?

Aleksander Olszewski 17.07.2018

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Many startup related ICOs are sparking heated discussions - with opponents firmly fortified on both sides of the barricade. In many cases, the Initial Coin Offering seems to be an excessive addon that is not really necessary for the fundraising process. How is it in practice?...
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Smart Contract Audit - Critical Bug with Code Example - 4soft Blog

Michael Frysztacki 12.07.2018

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One of our clients asked us to review and audit their token project. We have found one critical bug leading to collecting invalid amount of Ether during ICO sale - and you might like to take a closer look at this to avoid it in your own project....
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