Browse categories
Explore
Fiverr Pro
English
$
USD
Our agency will develop secure ethereum smart contracts in solidity
Ether Authority
Top Rated
Agency
5.0
5.0
Gig Summary
Vetted by Fiverr Pro
Ether Authority was selected by the Fiverr Pro team for their expertise.
About this gig
Need a professional Solidity developer for secure Ethereum smart contracts and Web3 solutions?
You are in the right place.
I am a Fiverr Pro verified blockchain development team specializing in Ethereum smart contract development, Solidity programming, and Web3 applications.
We can help you build:
- Custom Solidity Smart Contracts
- ERC20 Token Contracts
- NFT Smart Contracts (ERC721/ERC1155)
- DeFi Smart Contracts
- Web3.js Integration
- Blockchain DApps
- Contract Testing & Optimization
Why choose us?
- Fiverr Pro vetted agency
- Experienced Solidity & Web3 developers
- Auditing smart contracts since 2018
- 1000+ Project Completed
- Security-focused development approach
- Professional communication and support
Our process:
- Understand your requirements
- Design smart contract architecture
- Develop and test Solidity code
- Deliver optimized source code with documentation
Supported technologies:
Solidity | Ethereum | Tron | Web3.js | EVM Networks
Please contact us before ordering to discuss your project requirements and choose the best solution.
Let's turn your blockchain idea into a working product.
About this agency
Ether Authority
Agency
20 employees
Top Rated
Ether Authority is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.
Vetted for
Blockchain Development & Solutions
- FromIndia
- Member sinceFeb 2013
- Avg. response time1 hour
- Last delivery1 month
Languages
English, Hindi, Gujarati
EtherAuthority is a leading provider of Smart Contract Security and Blockchain Development services since 2018.
We specialize in comprehensive audits for Solidity-based contracts across DeFi, NFT, DEX, Metaverse, and DAO ecosystems.
Our expertise includes EVM & Solana development, delivering complete blockchain solutions such as testnet, mainnet, explorers, bridges, and DEX.
We also provide AI-powered automation solutions to improve scalability and operational efficiency.
Our vision is to become the go-to partner for secure and innovative Web3 development.
Portfolio
Other Software Development Services we Offer
FAQ
What type of smart contracts can you develop?
I can develop Ethereum Solidity smart contracts including ERC20 tokens, NFTs, DeFi contracts and custom blockchain solutions.
Do you provide Solidity smart contract development?
Yes, I specialize in Solidity-based Ethereum smart contract development.
Can you create ERC20 tokens?
Yes, I can develop custom ERC20 token contracts with required functionality.
Do you develop NFT smart contracts?
Yes, I can create ERC721 and ERC1155 NFT smart contracts.
Which blockchain networks do you support?
I support Ethereum, Tron and other EVM-compatible blockchain networks.
Do you test smart contracts before delivery?
Yes, contracts are tested and reviewed before delivery.
Can you integrate smart contracts with websites?
Yes, I can integrate contracts using Web3.js and blockchain interfaces.
Can you deploy contracts?
Yes, deployment assistance can be provided.
Do you provide documentation?
Yes, documentation and usage guidance are included.
Can you work on existing contracts?
Yes, I can review, modify and optimize existing Solidity contracts.
Reviews
14 reviews for this Gig
| (14) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
C 
coindevdata
South Korea
Excellent work
$100-$200
Price
Y 
Seller's Response
Helpful?L lucschiltz
Luxembourg
Excellent seller, a real professional
$50-$100
Price
Y Seller's Response
Helpful?E 
eredox
Australia
He is an expert in Smart Contracts, the communication was excellent, his guidance and advice was invaluable nothing is a problem to get the job complete, thank you for your services I will definitely use again.
$400-$600
Price
Y Seller's Response
Helpful?A 
amlsayed
Egypt
Amazing seller!! fast delivery, great experience as developer, that is the third order with him, i recommend his service for every one
$50
Price
Y Seller's Response
Helpful?P piyasupsutthitr
Thailand
Ongoing collaborationPerfect couldnt expect more.
$200-$400
Price
Y Seller's Response
Helpful?
Reviews
14 reviews for this Gig
| (14) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
C coindevdata
South Korea
Excellent work
$100-$200
Price
Y Seller's Response
Helpful?L lucschiltz
Luxembourg
Excellent seller, a real professional
$50-$100
Price
Y Seller's Response
Helpful?E eredox
Australia
He is an expert in Smart Contracts, the communication was excellent, his guidance and advice was invaluable nothing is a problem to get the job complete, thank you for your services I will definitely use again.
$400-$600
Price
Y Seller's Response
Helpful?A amlsayed
Egypt
Amazing seller!! fast delivery, great experience as developer, that is the third order with him, i recommend his service for every one
$50
Price
Y Seller's Response
Helpful?P piyasupsutthitr
Thailand
Ongoing collaborationPerfect couldnt expect more.
$200-$400
Price
Y Seller's Response
Helpful?
