Last Updated on December 27, 2022 by Paganoto
Integer Overflow in Ethereum – Valid Network
Integer Overflow in Ethereum – Valid Network
But the slot of the integer value in the storage can only have 256 bits. Therefore, only the 256 RMB (rightmost bits) are stored in the storage, and everything else is ignored. As a result, the value that is actually stored is 0x00…000 (0), this is an integer overflow.
Overflow and Underflow – Ethereum Blockchain Developer
Overflow and Underflow – Ethereum Blockchain Developer
In previous versions of Solidity (prior Solidity 0.8.x) an integer would automatically roll-over to a lower or higher number. If you …
Hack Solidity: Integer Overflow and Underflow – HackerNoon
Hack Solidity: Integer Overflow and Underflow – HackerNoon
In simple words, overflow is a situation when uint (unsigned integer) reaches its byte size. Then the next element added will return the first …
Avoiding Integer Overflows: SafeMath Isn't Enough
Avoiding Integer Overflows: SafeMath Isn't Enough
On the Ethereum Virtual Machine (EVM), the consequence of an integer overflow is that the most significant bits of the result are lost. For …
SWC-101 · Overview
SWC-101 · Overview
In computer programming, an integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be …
Ethereum bug causes integer overflow in tons of ERC20 smart …
Ethereum bug causes integer overflow in tons of ERC20 smart …
Blockchain security startup PeckShield has discovered a critical vulnerability in some Ethereum smart contracts which leads to integer …
Ethereum Smart Contracts Vulnerabilities: Integer Overflow …
Ethereum Smart Contracts Vulnerabilities: Integer Overflow …
Arithmetic Underflow and Overflow Overview. The Ethereum Virtual Machine (EVM) specifies fixed-size data types for integers.
Detecting integer arithmetic bugs in Ethereum smart contracts
Detecting integer arithmetic bugs in Ethereum smart contracts
It finally happened: Ethereum received its first branded vulnerability. Security startup PeckShield reported batchOverflow, an integer overflow …
Money for nothing with smart contracts – Kaspersky
Money for nothing with smart contracts – Kaspersky
Truth be told, the problem of integer overflow is not limited to Ethereum. Long before it, Bitcoin had the same problem, too. Integer overflow …
Mutation Testing for Integer Overflow in Ethereum Smart …
Mutation Testing for Integer Overflow in Ethereum Smart …
by J Sun · 2021 · Cited by 3 — Key words: blockchain; Ethereum Smart Contracts (ESCs); integer overflow; mutation testing. 1 Introduction. Blockchains are decentralized shared ledgers …
Pagaonoto is an SEO editor and cryptocurrency researcher for various publications.