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Blockchain Developer Certification (B|DC)

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Q_01 domain/d1 · medium single discuss →

A financial services firm claims blockchain is a 'magical panacea' to solve all their operational problems. Based on the certification's positioning, which statement best characterizes the realistic value proposition of blockchain that a certified professional should communicate to leadership?

A Blockchain can automatically eliminate all corporate inefficiencies without any implementation effort
B Blockchain fosters transparency, trust, and enhanced security, and can revolutionize industries like finance, healthcare, and supply chain
C Blockchain is only useful for cryptocurrency trading and has no enterprise applications
D Blockchain replaces the need for any governance or compliance controls in financial systems

Q_02 domain/d1 · medium multi discuss →

A blockchain developer is preparing training material on foundational consensus concepts for a financial systems team. Which two consensus mechanisms does the certification specifically identify as core to blockchain networks?

A Proof-of-Work (PoW)
B Proof-of-Stake
C Proof-of-Authority
D Proof-of-Burn
E Proof-of-Elapsed-Time

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