Curriculum
Seven learning paths, written to be read in order. Each module lists the topics it covers so you can see the whole scope before you begin.
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Foundations
The vocabulary and the core idea: what a distributed ledger is, why cryptographic hashing matters and what problem consensus solves.
- Ledgers and blocks
- Hashing and signatures
- Consensus in plain language
- Nodes and clients
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Networks & transactions
What a transaction contains, how it reaches a block, why fees exist and what a confirmation actually tells you.
- Anatomy of a transaction
- Fees and mempools
- Confirmations and finality
- Comparing network designs
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Wallets & security
Key material, recovery, custody models and the attack patterns that target people rather than code.
- Seed phrases and derivation
- Self-custody vs custodial
- Hardware and software wallets
- Recognising impersonation
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Smart contracts
How programmable contracts are written, deployed and called, and where their limits and failure modes are.
- What contract code can enforce
- Deployment and addresses
- Token standards
- Audits and known bug classes
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DeFi & stablecoins
The mechanisms behind on-chain lending, swapping and price-stable assets - including what breaks them.
- Automated market makers
- Lending and collateral
- Stablecoin designs
- Oracles and price feeds
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On-chain tools
Using public data yourself: explorers, contract inspection, address labelling and reading token metrics critically.
- Reading a block explorer
- Following a transfer
- Inspecting a contract
- Tokenomics as published data
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Risk & regulation
How volatility, custody failure, smart-contract risk and regulatory divergence are described and documented.
- Categories of risk
- Custody and disclosure rules
- Jurisdictional differences
- Reading a project's own documentation
How the modules fit together
Foundations and Networks & transactions establish the vocabulary everything else depends on. Wallets & security comes third deliberately: key handling is the part of the subject where a mistake is hardest to undo.
Smart contracts, DeFi & stablecoins and On-chain tools then build on that base, and Risk & regulation closes the sequence by putting the whole picture in context.
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- Structured learning paths
- Practical explanations
- Security-first curriculum