What a cryptocurrency represents
Separate a network, its native asset and tokens issued on it.
Read guide →REX TRADING SIGNAL
Crypto guides
Original introductions to crypto networks, custody, products and common risks.
Bitcoin: scarcity and verification
Learn what Bitcoin rules control and what they do not.
Read guide →Nodes and transactions
Understand validation, broadcasting and confirmations.
Read guide →Hashing and data integrity
A hash helps detect a change in data; it does not keep a secret.
Read guide →Proof of work and mining
Mining orders valid transactions under a network’s rules.
Read guide →Blocks, forks and consensus
A shared record still depends on rules and implementation.
Read guide →Wallets, keys and recovery phrases
Control access and recovery without exposing secrets.
Read guide →Digital signatures and approvals
Signing can authorize more than the action you think you are taking.
Read guide →Altcoins and token supply
Distinguish circulating supply from future issuance.
Read guide →Exchanges, custody and order books
Trading access introduces its own risks.
Read guide →Recognize common crypto scams
Check the request, the identity and who controls the destination.
Read guide →Ethereum and smart contracts
Programmable transactions expand both possibilities and failure modes.
Read guide →Spot, perpetuals and liquidation
Know which product you are trading before calculating risk.
Read guide →NFTs and the rights behind a token
Owning a token is not automatically owning the underlying copyright.
Read guide →Crypto funds and exchange-traded products
A fund share has its own structure, costs and trading hours.
Read guide →On-chain metrics with context
A blockchain address is not the same as a person.
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