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Member • 1mo

Smart Contract Developer Interview: How to Handle Integer Overflow/Underflow in Smart Contracts

The interviewer gave me a task related to overflow and underflow issues in Solidity. Solidity 0.8.0 and newer versions have built-in checks to prevent these problems, but the task requires...

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Ruben Hassid

Member • 1mo

How to Secure Price Oracles in DeFi Smart Contracts? What are the best ways to secure price oracles in a DeFi smart contract and prevent manipulation?

Price oracle manipulation can distort token prices and lending rates, posing a significant threat to DeFi smart contracts. How can smart contracts ensure accurate and reliable price feeds, especially during...

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Andria Shines

Member • 2mos

How to Explain and Reduce Impermanent Loss in DeFi

Impermanent loss happens when the value of assets in a liquidity pool shifts compared to their initial value. For example, in automated market makers (AMMs), price changes between tokens in...

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Abdil Hamid

Member • 2mos

What are the best methods to reduce NFT minting costs on the Ethereum blockchain?

I am working on an NFT project where gas fees are a major issue. High fees make minting expensive, especially for large batches. I have explored Layer 2 solutions like...

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amanda smith

Member • 2mos

How to Ensure Compatibility Between ERC-721 and ERC-1155 NFT Standards?

I am working on an NFT contract that must support both ERC-721 and ERC-1155 standards. ERC-721 works for single, unique NFTs, while ERC-1155 supports single and batch minting. I aim...

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Yagiz Partaker

Member • 2mos

How to Implement Efficient Logging and Monitoring in Solidity Smart Contracts on Layer 2?

Hi all,Working on a Layer 2 project, I'm currently tackling issues with setting up effective logging and monitoring in Solidity smart contracts for post-deployment analysis. Here’s where I need help:I’ve...

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Sebastian Luna

Member • 2mos

What does it take to be a part of the finance team in this industry?

Hi everyone, I just found out about this place, I couldn’t find anything about it in older threads, so I take the opportunity to introduce myself and ask the community...

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Synthill Brown

Member • 2mos

What’s the best way to secure data integrity when using a trusted execution environment (TEE) with a smart contract?

Working with a TEE setup on Ethereum to protect sensitive off-chain computations has raised some concerns about data integrity. There’s a risk that external data might get altered before it...

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Benny Angela

Member • 2mos

How do you address Miner Extractable Value (MEV) issues in smart contract designs?

MEV, particularly front-running and sandwich attacks, can exploit transaction ordering to gain an unfair advantage. Smart contract designs need to minimize these risks. Are transaction ordering techniques, such as commit-reveal...

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Sheza Henry

Member • 2mos

How do I start freelancing in blockchain development?

Hey everyone,Looking to transition into freelancing in blockchain development and could use some advice! With about 3 years in Solidity development, most of the experience has been in a structured,...

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Sayali Bhandari

Member • 2mos

Have you encountered issues with Solidity version compatibility? How do you manage dependencies in your projects?

Hey folks! Just had an interview where the question popped up about dealing with Solidity version compatibility and managing dependencies in projects. What’s the experience out there?Any specific challenges with...

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Shubhada Pande

Community Administrator • 2mos

Blockchain for Chemical Emissions: Transforming Transparency in Environmental Monitoring

In the dynamic world of the chemical industry, blockchain technology emerges as a transformative powerhouse, redefining operational paradigms and propelling the sector toward a future marked by enhanced transparency and...

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Ruben Hassid

Member • 2mos

What are some effective best practices for establishing decentralized governance in Layer 2 smart contracts?

With projects moving to Layer 2, keeping governance fair, transparent, and secure is key. Curious about any tried-and-true frameworks or decision-making models that people have found effective, especially when it...

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Alex Dowling

Member • 2mos

Smart contract developer interview: Effects of Ethereum upgrades (EIPs) on live contracts.

I was asked this question during a smart contract developer interview, and I wasn’t sure how to answer:How do Ethereum’s upgrades (like EIPs) affect smart contracts that are already live?Do...

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Shubhada Pande

Community Administrator • 2mos

Multi-Signature Smart Contracts? A Key to Enhanced Blockchain Security

Blockchain adoption continues to grow as industries recognize its potential to streamline operations and secure digital assets. Smart contracts play a pivotal role in blockchain networks by automating agreements without...

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