MICRO-COURSE

Blockchain & Decentralized Systems

Blockchain & Decentralized Systems: 11 short lessons, one for each concept. Distributed ledgers, cryptographic hashes, consensus mechanisms, smart contracts, wallets, transaction execution, decentralized applications, oracles, layer-two systems, contract testing, and protocol security.

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02 / UNDERSTAND

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Distributed ledgers, cryptographic hashes, consensus mechanisms, smart contracts, wallets, transaction execution, decentralized applications, oracles, layer-two systems, contract testing, and protocol security.

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Concept scope

03 / TRY IT

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Write down a small example, its inputs or starting point, and the result you expect.
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Explain the concept in your own words and identify where it fits in the subject.
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Explore 11 focused topics.

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11 results1–11

Lesson

Distributed ledgers

A short lesson on distributed ledgers from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Cryptographic hashes

A short lesson on cryptographic hashes from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Consensus mechanisms

A short lesson on consensus mechanisms from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Smart contracts

A short lesson on smart contracts from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Wallets

A short lesson on wallets from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Transaction execution

A short lesson on transaction execution from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Decentralized applications

A short lesson on decentralized applications from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Oracles

A short lesson on oracles from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Layer-two systems

A short lesson on layer-two systems from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Contract testing

A short lesson on contract testing from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Protocol security

A short lesson on protocol security from the Blockchain & Decentralized Systems micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Blockchain & Decentralized Systems

Recorded video

Start with the topic guide.

Concept scope

Prepare a focused example

Check your understanding

Need a walkthrough?Stay with this topic.

Request a live session for this topic.

Explore 11 focused topics.

Distributed ledgers

Cryptographic hashes

Consensus mechanisms

Smart contracts

Wallets

Transaction execution

Decentralized applications

Oracles

Layer-two systems

Contract testing

Protocol security

Need a walkthrough?
Stay with this topic.