Blockchain CBDE : BTA Certified Blockchain Developer - Ethereum

  • Exam Code: CBDE
  • Exam Name: BTA Certified Blockchain Developer - Ethereum
  • Updated: Aug 07, 2026
  • Q & A: 102 Questions and Answers

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Blockchain CBDE Exam Reference

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CBDE Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Blockchain CBDE exam dumps will include the following topics:

  • Write, test, and deploy secure Solidity smart contracts
  • Implement web3.js
  • Use the essential tooling and systems needed to work with the Ethereum ecosystem
  • Work within the bounds and limitations of the Ethereum blockchain
  • Deploy smart contracts both the live and test Ethereum networks
  • Write and compile Solidity smart contracts
  • Run an Ethereum node on development machines
  • Create secure smart contracts
  • Plan and prepare production ready applications for the Ethereum blockchain
  • Unit test smart contracts
  • Calculate Ethereum gas costs
  • Understand and work with Ethereum fees

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Blockchain CBDE Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: ERC Standards & Tokenization20%- Token economics and best practices
- ERC-721 Non-Fungible Tokens (NFTs)
- ERC-20 Fungible Tokens
- ERC-1155 Multi-Token Standard
Topic 2: DApp Development & Deployment20%- Development tools: Truffle, Hardhat, Ganache
- Frontend integration patterns
- Deployment to testnets and mainnet
- Smart contract testing and debugging
- Decentralized storage: IPFS
Topic 3: Solidity Programming30%- Functions, modifiers, and visibility
- Events, errors, and exceptions
- Smart contract design patterns
- Solidity syntax and data types
- Inheritance, interfaces, and libraries
Topic 4: Web3 Integration & Security10%- Contract upgradability and maintenance
- Common vulnerabilities and mitigation
- Secure coding practices
- Web3.js and Ethers.js usage
Topic 5: Ethereum Architecture & EVM20%- Accounts, addresses, and state model
- Transactions and message calls
- Ethereum network and node structure
- Gas mechanics, fees, and optimization
- Ethereum Virtual Machine (EVM) fundamentals

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