Our agency will audit your solidity smart contract for security vulnerabilities

Enterprise Grade Smart Contract Audit and EVM Blockchain Development
Vetted by Fiverr Pro
Ether Authority was selected by the Fiverr Pro team for their expertise.
Vetted for
Blockchain Development & Solutions
About this Gig
Vetted Pro
Secure your Solidity smart contract before launch with a professional security audit.
EtherAuthority provides enterprise-grade Solidity smart contract audit and blockchain security services for EVM projects, including ERC20, BEP20, DeFi, NFT, staking, presale and dApp contracts.
What you get:
- Manual line-by-line code review
- Automated scanning with tools such as Slither, MythX and Solhint
- Security, logic and gas-efficiency findings
- Severity-wise vulnerability report
- Clear fix recommendations
- Recheck after fixes, based on package scope
- Audit report you can share with exchanges, investors, users and your community
We audit:
- ERC20 & BEP20 tokens
- DeFi protocols
- NFT contracts
- Staking contracts
- Presale contracts
- Web3 dApps
Why EtherAuthority:
- Auditing smart contracts since 2018
- Hundreds of blockchain projects reviewed
- Fiverr Pro vetted agency
- 1000+ Project Completed
- Experience across token, DeFi, NFT and EVM contracts
Required to start:
- Smart contract source code
- Project documentation
- Website or whitepaper, if available
Before ordering, please share your smart contract source code and project details.
Protect your blockchain project with a trusted smart contract security audit.
Tools:
MythX
•
Slither
•
Remix
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
Portfolio
Other Blockchain Development & Solutions Services we Offer
FAQ
Do you audit Solidity smart contracts?
Yes. We audit Solidity smart contracts for EVM-compatible chains, including Ethereum, BNB Chain, Polygon, Arbitrum, Optimism and similar networks.
Do you audit ERC20, BEP20, NFT and DeFi contracts?
Yes. We audit token, NFT, staking, presale, vesting, DeFi, dApp and custom EVM smart contracts.
Is the audit manual or automated?
Both. We perform manual line-by-line review and also use security tools such as Slither, MythX and Solhint to support vulnerability detection.
What will the audit report include?
The report includes project scope, methodology, vulnerability findings, severity levels, affected code references and fix recommendations.
Do you fix the smart contract issues?
We provide clear fix recommendations. Fix implementation or post-fix rechecking can be included depending on the package or custom offer.
Can I share the audit report with exchanges or investors?
Yes. Many clients use audit reports to build trust with exchanges, investors, communities and launch partners.
What do you need to start the audit?
We need the smart contract source code, project documentation, website or whitepaper, and any specific concerns you want reviewed.
Can you audit private repositories?
Yes. You can provide code through an agreed Fiverr-safe method. Never share private keys, seed phrases or wallet credentials.
How is pricing calculated?
Pricing depends on code length, complexity, number of contracts, project logic and whether fix rechecks or consultations are required.
Should I contact you before ordering?
Yes. Please send the code size and project details first so we can confirm the correct scope, price and delivery timeline.
130 reviews for this Gig
| (128) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
O oren_ainegative

Spain
Ether Authority did an audit for us. They tested several rounds, were very communicative, and it was a pleasure working with them. In the beginning there was some confusion regarding what code to audit but they went ABOVE and BEYOND, responding quickly and delivering on time. 👍
$400-$600
Price
5 weeks
Duration
Y 
Seller's Response
Helpful?R ranikhalaf
Repeat Client

United Arab Emirates
Ether Authority is simply AMAZING in the realm of Blockchain Development & Solutions. Their expertise and flawless documentation exceeded my expectations, and their quick responsiveness made the collaboration a breeze. Working with them was an absolute pleasure, as they went above and beyond to ensure timely delivery! 🙌
$800-$1,000
Price
8 days
Duration
Y 
Seller's Response
Helpful?F fuegohd
Repeat Client

United States
Absolutely perfect. Delivered exactly what was requested and faster than anticipated. Great work! Thank you.
$200-$400
Price
4 days
Duration
Y 
Seller's Response
Helpful?L 
luke16username

United States
Professional. Prompt to respond. Extremely Knowledgable. Highly recommend.
$1,000-$1,500
Price
10 days
Duration
Y 
Seller's Response
Helpful?A astmichael
Repeat Client

United States
Yogesh is the best.
Up to $50
Price
1 day
Duration
Y 
Seller's Response
Helpful?
130 reviews for this Gig
| (128) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
O oren_ainegative

Spain
Ether Authority did an audit for us. They tested several rounds, were very communicative, and it was a pleasure working with them. In the beginning there was some confusion regarding what code to audit but they went ABOVE and BEYOND, responding quickly and delivering on time. 👍
$400-$600
Price
5 weeks
Duration
Y 
Seller's Response
Helpful?R ranikhalaf
Repeat Client

United Arab Emirates
Ether Authority is simply AMAZING in the realm of Blockchain Development & Solutions. Their expertise and flawless documentation exceeded my expectations, and their quick responsiveness made the collaboration a breeze. Working with them was an absolute pleasure, as they went above and beyond to ensure timely delivery! 🙌
$800-$1,000
Price
8 days
Duration
Y 
Seller's Response
Helpful?F fuegohd
Repeat Client

United States
Absolutely perfect. Delivered exactly what was requested and faster than anticipated. Great work! Thank you.
$200-$400
Price
4 days
Duration
Y 
Seller's Response
Helpful?L 
luke16username

United States
Professional. Prompt to respond. Extremely Knowledgable. Highly recommend.
$1,000-$1,500
Price
10 days
Duration
Y 
Seller's Response
Helpful?A astmichael
Repeat Client

United States
Yogesh is the best.
Up to $50
Price
1 day
Duration
Y 
Seller's Response
Helpful?

