Crypto wallets come in several forms, but the key distinctions are who controls the keys, whether they connect to the internet, and how you use them. Learn how custodial, software, hardware, multisignature and smart wallets work—and how to choose one safely.
Crypto platforms range from custodial exchanges to self-custody wallets and on-chain finance apps. Learn what each type does, how they differ and what to check before using one.
Cryptocurrencies include native blockchain coins, smart-contract tokens, stablecoins, governance assets, meme coins and more. Learn how these categories differ, where they overlap, and what to check before using or buying an asset.
Uphold is a custodial platform for buying and selling crypto, with support for other asset types such as fiat currencies and precious metals. This guide explains how trading, fees, withdrawals and account risks work—and what to check before you use it in 2026.
A VPN can change the location a crypto casino sees, but it does not change where you are or make restricted gambling legal. Learn how casino terms, local law, identity checks and withdrawals affect the risks—and what to do before depositing.
Altcoins are cryptocurrencies other than Bitcoin, but the label covers very different assets: network coins, tokens, stablecoins and speculative projects. Learn how they work, what they are used for, and how to assess their risks before deciding whether to buy or use them.
Ape NFTs are digital collectibles featuring ape or monkey characters, but the label covers many projects with different creators, blockchains and rights. Learn how Bored Ape Yacht Club fits in, what an NFT actually gives you, and how to assess a collection before buying.
Crypto gas fees are the costs of processing transactions on a blockchain. Learn what they pay for, how Ethereum calculates them, why they change, and how to check the full cost before you confirm.
Crypto liquidation is the forced closure of a leveraged trade or sale of collateral when an account no longer meets its platform’s risk rules. Learn how it works in derivatives and DeFi lending, what triggers it, and how to manage the risk.
Cryptocurrencies are digital assets that use cryptography and networks such as blockchains to record and transfer value. Learn how they work, how coins differ from tokens, and what to consider before using or buying them.
A cryptocurrency ETF can offer market exposure through a regular brokerage account, but the label covers products with different holdings, risks and legal structures. Learn how spot, futures and crypto-related funds work, and what to check before investing.
A decentralized app, or dApp, uses blockchain networks and smart contracts to provide some of its features without relying entirely on one company’s servers. Learn how dApps work, how they differ from regular apps, and what to check before using one.
Decentralized cryptocurrencies use networks of computers to record and verify transactions without relying on one organization to run the ledger. But decentralization is not all-or-nothing: control can still be concentrated in the software, infrastructure, or people around a coin.
DeFi markets are blockchain-based venues and protocols for swapping, lending, borrowing and trading digital assets. Learn how they work, how to compare them, and what risks to check before using one.
“ISO 20022 coins” is a popular label for crypto assets said to relate to the ISO 20022 financial messaging standard. The label is not an official certification, and it does not mean a coin is endorsed by banks or guaranteed to gain value.
Layer 2 networks process transactions away from a base blockchain to make activity faster or cheaper, while relying on that base chain in different ways. Learn how rollups work, what their risks are and how to use them more safely.
Oil-backed crypto tokens can represent a claim on stored oil, track an oil price, or simply use oil as a theme. Learn how to tell these models apart, what rights a token may provide, and what to check before buying.
Privacy coins use cryptography to limit what outsiders can learn from transactions. Learn how their designs differ, what privacy they do—and do not—provide, and which practical and regulatory risks to consider.
Web3 applications use blockchains and smart contracts to let people interact with digital assets and shared online services. Learn how they work, what they are used for, and what to check before using one.
A zk-SNARK lets someone prove that a computation or claim is valid without revealing the private information behind it. Learn what the acronym means, how proof generation and verification work, and where the technology’s limits and risks lie.
Blockchain developers build the software and infrastructure that make blockchains and decentralized applications work. Learn what the job involves, how its specialties differ, and which skills help you get started.
Bitcoin halving is a scheduled cut to the amount of new BTC miners earn for adding blocks. Learn how the reward changes, when the next halving is expected, and why the event does not guarantee a price move.
DEX stands for decentralized exchange: a crypto trading service that uses blockchain software to let you swap tokens from your own wallet. Learn how DEXs work, how they differ from centralized exchanges, and what to check before trading.