Certified Blockchain Developer - Ethereum (CBDE) Practice Exam

The Certified Blockchain Developer - Ethereum (CBDE) exam is a professional credential designed to validate your skills and knowledge in developing applications for the Ethereum blockchain platform.

Who Should Take This Exam

This exam is ideal for software engineers or programmers interested in specializing in blockchain development, particularly on Ethereum. Here are some examples:

• Software Developers transitioning into blockchain development
• Blockchain enthusiasts seeking industry recognition
• Professionals aiming to work on Ethereum-based projects
• There are no formal prerequisites for taking the CBDE exam. However, a solid understanding of programming concepts and familiarity with blockchain fundamentals are recommended.

Responsibilities 

• Design and develop production-ready applications for the Ethereum blockchain
• Write, test, and deploy secure smart contracts using Solidity, a programming language specific to Ethereum
• Understand and manage gas fees associated with Ethereum transactions
• Navigate the limitations and functionalities of the Ethereum blockchain
• Utilize essential tools and systems within the Ethereum ecosystem

Exam Details 

• Exam Cost: $300 USD
• Number of Questions: 70 Questions
• Pass Score: 70%
• Time Allotted: 90 minutes to complete exam

Course Outline

• Implement web3.js
• Write and compile Solidity smart contracts
• Create secure smart contracts
• Deploy smart contracts both the live and test Ethereum networks
• Calculate Ethereum gas costs
• Unit test smart contracts
• Run an Ethereum node on development machines