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# Context
When a smart contract goes live, it may need to be updated or changed for various reasons.
To enable smart contract upgradability, it is important to address challenges such as data lo…
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Hello.
I am Aiyuki from the Japan.
I wanted to reach out to express my interest in potential collaboration opportunities.
I am very interested in your company mission and vision.
With over 6 ye…
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**Context:**
Solidity developers often make the mistake of assigning or comparing addresses to the zero address (`0x0000000000000000000000000000000000000000`). This can lead to vulnerabilities and bug…
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## What content are you looking to modify or update?
On-chain monitoring category.
## Why do you think this update or modification is needed?
It actually does not explain much.
## Can you just…
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# Bug Report: Insecure use of _mint in BuggyNFTVault contract
## Description of the Bug:
The BuggyNFTVault contract currently uses the _mint function to mint ERC721 tokens when a user deposits ETH. …
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# Rokku: Next Gen Multisig Wallet Solution
Rokku is a cutting-edge multisig wallet solution powered by Starknet, designed to provide secure and efficient treasury management for companies and DAOs. B…
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* 1hr 30m
* **Smart Contracts & Messaging System**
* Code smart contracts for messenger RNA that handle data serialization and deserialization.
* Integrate these contracts into the BitCell i…
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### Increasing Access
Ensure that the p5.js Web Editor correctly interfaces with the deployed Starknet smart contracts.
### Feature request details
This involves validating that the contract funct…
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Those web3 hacking challenges that originate from a security flaw in their smart contract implementation, should receive a corresponding coding challenge. This requires:
* [x] Adding the original s…
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### Current Situation
To delegate resources to multiple wallets, users are required to stake TRX in hot wallets. This exposes staked TRX to security risks associated with a hot environment, potenti…