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Blockchain and Smart Contracts Security
Blockchain bridges security & common cross-chain vulnerabilities
Blockchain bridges security & common cross-chain vulnerabilities
What to consider when developing a secure cross-chain protocol? Let’s draw conclusions from some of the past cross-chain exploits.
Jakub Zmysłowski
Jul 12, 2022
Smart Contracts Audits — how to get the most out of your security report?
Smart Contracts Audits — how to get the most out of your security report?
You have received a security report and wonder what to do next? Here are proven ways to help you introduce a higher level of security.
Paweł Kuryłowicz
Mar 28, 2022
Front-running attack in DeFi applications — how to deal with it?
Front-running attack in DeFi applications — how to deal with it?
What is front-running and what actions can you take to minimize the negative effects of this attack? Here’s our recommendations to make…
Jakub Zmysłowski
Mar 7, 2022
The future security of your smart contracts — upcoming changes in SCSVS
The future security of your smart contracts — upcoming changes in SCSVS
This article presents our vision for standard updates in SCSVS.
Paweł Kuryłowicz
Dec 14, 2021
Reentrancy attack in smart contracts - is it still a problem?’
Reentrancy attack in smart contracts - is it still a problem?’
Reentrancy is as old as Solidity itself, and even older because it’s not the only programming language it appears in. It got a lot of…
Paweł Kuryłowicz
Sep 28, 2021
Four common pitfalls of HyperLedger implementation
Four common pitfalls of HyperLedger implementation
After several security audits of HyperLedger implementations (and other custom blockchain platforms), we have selected a couple of…
Damian Rusinek
Mar 18, 2021
How to keep Crypto Exchange secure? Part 2/2
How to keep Crypto Exchange secure? Part 2/2
In the previous part, we discussed the first half of the issues regarding safety of crypto currency exchanges. We hope you were able to…
Paweł Kuryłowicz
Feb 26, 2021
How to keep Crypto Exchange secure? Part 1/2
How to keep Crypto Exchange secure? Part 1/2
In a world of rising inflation, cryptocurrencies are undoubtedly gaining in popularity. People want to protect their savings by various…
Paweł Kuryłowicz
Feb 9, 2021
Blockchain — new types of insider threat
Blockchain — new types of insider threat
Blockchain does not defend from insider threat in any way. What is more, blockchain introduces new threats that can be classified as…
Damian Rusinek
Jan 10, 2020
Smart Contracts Security Verification Standard
Smart Contracts Security Verification Standard
In recent months, me and Damian have worked together to standardize the security of smart contracts for developers, architects, security…
Paweł Kuryłowicz
Oct 1, 2019
Why is randomness important, especially in the world of cryptocurrencies? (Part 2)
Why is randomness important, especially in the world of cryptocurrencies? (Part 2)
This story starts where the first part has ended, so if you have not read that yet, do it now.
Damian Rusinek
Sep 16, 2018
Why is randomness important, especially in the world of cryptocurrencies? (Part 1)
Why is randomness important, especially in the world of cryptocurrencies? (Part 1)
SkyWallet.com is a cryptocurrency wallet in the cloud, officially used for storing X12, but it can also keep BTC. As any other web…
Damian Rusinek
Apr 18, 2018
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