We're The Most Trusted Smart Contract Security Auditors

Build and secure your smart contract with our top blockchain and design experts

About Smart Contracts

Smart contract security auditing is a thorough analysis of a blockchain applications’ smart contracts in order to correct design issues, errors in the code, or security vulnerabilities. As a experienced professional in blockchain (More than 7 years of experience) we will run ourself automated and manual tests that will full cover the security of your contract.

    Steps for smart contract audit:

  • Agreeing on a specification
  • Running Tests
  • Running automated symbolic execution tools
  • Manual analysis of the code
  • Creating a report

All contracts that are provided need to be "Code freeze", meaning that the code has been finalized. This is to avoid any aditional issue that can be caused by a change in the code.

Blockchain Development

Build a strong core for your next application with CTDSEC, a blockchain services provider recognized for cross-industry expertise and a drive for continuous improvement. We’ll help you shape your vision and ideas into viable use cases and suggest the optimal technology stack, team composition, and product design as part of our initial blockchain consulting services — all before digging into development. From ideation to co-creation, our team will be 100% invested in understanding your project’s specifications, goals, and needs in order to translate them into custom blockchain solutions that will rock the market

  • 01 Smart Contract Audit

    At CTDsec we are experts in carrying out exhaustive audits on the smart contracts of a blockchain application to correct design problems, errors in the code or identify security vulnerabilities.

  • Break into a brand new world of decentralized apps that run on open standards. Deploy new user-centered products on public blockchain networks. Reduce operational costs, boost customer data security and eliminate any centralized points of failures

  • Launch a standalone cold wallet for cryptocurrencies or incorporate a secure multi-coin blockchain wallet into your existing product. CTDSEC UX/UI team will ensure its attractive front-end, while our blockchain development team will make it fully secure to use

  • Supply chain management, provenance tracking, digital identity management, healthcare data storage, automated insurance quotes or voting – market-ready business blockchain use cases are multiplying. Will you stand at the vanguard of technology innovations.

  • The technological nature of blockchain as a shared ledger naturally facilitates the creation of P2P, B2B and B2C marketplaces. Explore the new reality of “shared economy” where every transaction is cryptographically protected, transparent, fraud-free and low-cost.


Blockchain Development Technologies

More Services

Hybrid Apps

Custom apps for each company that run on both iOS and Android, reducing development costs without practically affecting performance. Developed with angular, html5 and cordova.

Web Apps

Progressive web apps. Webs that behave like apps without the need to install anything. Developed with angular and html5.

Native Apps

Apps for when the maximum possible performance is required. Developed in Kotlin and Swift.

Back Office

Administration websites for platform management. Developed in React or Angular.

API Development

The platform engine, where information is stored and business logic is managed. Depending on the needs, developed in: Typescript, MySQL, Mongodb, Redis, NestJS, nodejs, etc.


Design of crypto-based platforms (web and mobile app), landing pages, telegram stickers, branding, and visual design.

ICO Development

We handle your ICO campaigns in a way that includes ICO specifics tailored to your business and supports all aspects of pre-ICO, ICO, and post-ICO.

DEFI Development

Repressing the hacks of centralized exchanges.


We investigating and monitoring the stolen funds in a wallet to obtain all the information on where the funds have gone.

  • About us

    CEO Jorge: I am passionate about the information and technology sector. Ethical hacker since age 12, I'm an expert in computer security, Blockchain developer, project-marketing-social manager. I’ve worked with large multinationals and discovered security holes in the most reliable systems on the planet. Passionate about Security and Blockchain. As a main value helping people have to be safe and add value to the global internet network. CTDSec Team: The members of ctdsec have more than 6 years of experience in the area of ​​development and security, so the service provided is of a very high quality offering the client daily support.

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    Frequently Asked Questions


      CTDSEC is a platform that provides blockchain project owners with instant access to our expert smart contract auditors and product designers, making it simple for them to verify the security and code integrity of their smart contracts and build their blockchain product.

    • To request an audit, simply use the Request an audit form by clicking the "request an audit" button. After filling out and submitting the needed information, your request is reviewed and approved and one of our experts will contact you on how to proceed.

    • The price of the audit depends on the complexity of your project and the audit provider, but it will be clearly defined in advance in the proposals you receive from the providers. You are free to select the auditors yourself from the received proposals and all payments and invoicing is done directly between you and the chosen provider(s).