TOPIC HUB

DeFi guides

DeFi lets you trade, lend, and earn yield without a broker — and introduces smart-contract, oracle, and liquidity risks traditional finance does not. These guides explain the mechanics and the failure modes.

36 guides in this topic
DeFiDeFi

What Is DeFi? A Complete Guide to Decentralised Finance

DeFi is financial services run by smart contracts on a public blockchain instead of by a company. You keep custody of your assets and need no approval to use it, which also means no deposit insurance, no reversals and no support desk. The most common way users lose money is approving a malicious contract.

Toby Cunningham
DeFiDeFi

TradFi vs DeFi and The Birth of 'Invisible' Finance

TradFi and DeFi do the same jobs, holding, moving and lending money, but TradFi runs on permission and trust in institutions while DeFi runs on open code and self-custody. The five real differences are access, custody, yield, regulation and speed. The test that matters: if you hold the keys you are in DeFi; if an exchange or bank holds them you are in TradFi.

14 min read/Heidi Chakos
DeFiDeFi

What is Liquid Staking? Your Guide to Flexible Crypto Rewards

Liquid staking lets you stake crypto for network rewards while receiving a tradeable liquid staking token (LST), such as Lido's stETH or Rocket Pool's rETH, that represents your position. You can trade, lend, or post the LST as collateral while the stake keeps earning, with no 32 ETH minimum. The trade-offs: smart contract risk, LSTs trading below peg under stress, slashing, and concentration in Lido.

Heidi Chakos
DeFiDeFi

What Is RWA Tokenization? Real World Assets on the Blockchain Explained

RWA tokenization creates a blockchain token that represents a legally defined claim on an off-chain asset such as property, gold, Treasury bills, or private loans. A token is only as good as the legal wrapper, custodian, and redemption mechanics behind it. Private credit is the largest segment, tokenized Treasuries passed $10 billion in early 2026, and PAXG and XAUT dominate gold. Key risks: regulation, liquidity.

17 min read/Heidi Chakos
DeFiDeFi

Understanding MEV in Crypto: Maximal Extractable Value Explained

MEV (Maximal Extractable Value, originally Miner Extractable Value) is the extra profit a block producer or bot captures by choosing which transactions enter a block and in what order. It is a structural feature of public blockchains, not a hack. Front-running and sandwich attacks give DeFi traders worse prices, while arbitrage keeps DEX prices in sync. Tight slippage and private relays reduce exposure.

Heidi Chakos
DeFiDeFi

What Is a DAO in Crypto? A Guide to Decentralized Autonomous Organizations

A DAO (Decentralized Autonomous Organization) is a community-run organization governed by smart contracts and token-holder votes rather than a CEO or board. Its rules and treasury live on a blockchain, and funds move only when a vote passes. DAOs now govern protocols like Uniswap and Aave, hold over $24 billion in treasuries, and can gain legal status under Wyoming's DUNA. Voter apathy is their weakness.

13 min read/Heidi Chakos
DeFiDeFi

What Is a zk-Rollup? Scaling Without Trust

A zk-rollup is an Ethereum Layer 2 that executes transactions off-chain, batches thousands of them, and posts a cryptographic validity proof plus compressed data back to Ethereum, where a verifier contract checks it. Transactions are final once the proof is accepted, so withdrawals take minutes instead of the 7-day window on optimistic rollups, and fees fall to fractions of a cent.

Heidi Chakos
DeFiDeFi

What Is SocialFi? The Future of Social Media on the Blockchain

SocialFi (social finance) combines social media with decentralised finance so users own their identity, content and social graph on-chain and earn directly from their audience through social tokens, NFTs and tipping. Farcaster, Lens Protocol and DeSo are the main platforms today. The infrastructure is real, but user numbers are small, wallets and gas fees remain friction, and Friend.tech showed how fast speculation-driven platforms collapse.

Heidi Chakos
DeFiDeFi

What Is ERC-20? The Standard Behind Ethereum Tokens

ERC-20 is the technical standard that defines how fungible tokens work on Ethereum. Six required functions (totalSupply, balanceOf, transfer, transferFrom, approve and allowance) make every compliant token work with the same wallets, exchanges and smart contracts. That shared language is why MetaMask can hold thousands of tokens and why DeFi protocols plug together, though compliance says nothing about whether a token is legitimate.

Heidi Chakos
DeFiDeFi

What Does EVM Mean in Crypto? Ethereum Virtual Machine Explained

EVM stands for Ethereum Virtual Machine, the software environment that executes smart contracts on every Ethereum node so all of them reach the same result. EVM-compatible chains such as Arbitrum, Optimism, Base, Polygon and BNB Chain run the same bytecode, which is why MetaMask and Uniswap work across them. Gas units are identical on every EVM chain; only the gas price differs.

Heidi Chakos
DeFiDeFi

A Complete Guide to Crypto Margin Trading

Crypto margin trading is borrowing money from an exchange, with your own crypto as collateral, to buy more cryptocurrency than your balance allows, typically at 2x to 5x. You own what you buy but owe the loan plus interest, and if collateral falls below the maintenance margin you face a margin call or liquidation. Interest can hit 1 to 2% per day.

Toby Cunningham
DeFiDeFi

What Is Liquidation in Crypto? Understanding Forced Closures in Trading

Liquidation in crypto is the automatic, forced closure of a leveraged position when losses push your collateral below the exchange's maintenance margin, usually 10% to 20% of the position. The exchange sells at market, deducts a 0.5% to 1% fee and returns whatever is left, often close to nothing. A 5x long on Solana at $200 with 15% maintenance margin dies near $190.

Toby Cunningham
DeFiDeFi

DeFi Trading Explained: How to Trade in Decentralized Finance

DeFi trading is swapping cryptocurrencies through smart contracts and community-funded liquidity pools rather than a company's order book. You connect a Web3 wallet such as MetaMask, hold some of the chain's native token for gas, and trade on a DEX like Uniswap or an aggregator like 1inch. Start with a small test swap and watch your slippage setting; flash loans and yield farming can wait.

20 min read/Toby Cunningham
DeFiDeFi

Pump and Dump Schemes in Crypto: How to Spot and Avoid Them

A pump and dump is market manipulation where organized groups quietly buy a thin, obscure token, flood social media and paid influencers with hype to push the price up, then sell their holdings into the retail buying frenzy. Warning signs include synchronized shilling, anonymous teams, low liquidity and promised price targets. Position limits, stop-losses and an exit plan set in advance are the practical defenses.

17 min read/Toby Cunningham
DeFiDeFi

Difference Between Bitcoin & Ethereum: Breaking Down the Basics

Bitcoin and Ethereum solve different problems. Bitcoin, launched in 2009 with a hard cap of 21 million coins and proof-of-work mining, is built to be digital gold: a secure store of value and payment network. Ethereum, launched in 2015 and running proof-of-stake since 2022, is a programmable blockchain for smart contracts, DeFi and dApps with no fixed supply. Many investors hold both.

15 min read/Heidi Chakos
DeFiDeFi

How to Make Money with DeFi: Comprehensive Guide for Beginners

The main ways to make money with DeFi are yield farming, lending on protocols like Aave and Compound, providing liquidity on DEXs such as Uniswap, holding governance tokens, and staking. Each pays in fees, interest or tokens, but carries market volatility, smart contract bugs, lock-up periods and impermanent loss. Start with a self-custody wallet, a small amount and audited platforms. Nothing is guaranteed.

12 min read/Heidi Chakos
DeFiDeFi

Ethereum Pectra Upgrade Explained: Here’s What Experts are Saying

Ethereum's Pectra upgrade bundles the Prague execution-layer and Electra consensus-layer changes into one hard fork. Its key EIPs let regular wallets act like smart contracts (EIP-7702), raise the maximum effective validator balance from 32 to 2,048 ETH (EIP-7251), allow exits triggered from the execution layer (EIP-7002), and double blob capacity for cheaper Layer 2 transactions. Validator activation drops from about 6 hours to 12 minutes.

Heidi Chakos
DeFiDeFi

No-KYC Bitcoin in 2026: How to Buy, Swap, and Cash Out Without Handing Over Your ID

There is no perfect no-KYC Bitcoin solution, only trade-offs. For fiat in and out, peer-to-peer platforms like Bisq and RoboSats never learn your identity, though your bank still sees the transfer. For native BTC without a custodian, swap through THORChain, Maya Protocol or Chainflip rather than holding wrapped Bitcoin, which is an IOU. A real DEX never asks for ID. You still owe taxes.

Heidi Chakos
DeFiDeFi

What is Aave? The Future of DeFi [Explained]

Aave is a decentralised lending protocol that lets you earn interest by depositing crypto into liquidity pools or borrow against your holdings without a bank or intermediary. It runs on smart contracts, sets interest rates by supply and demand, and pioneered flash loans. It is one of DeFi's most established projects, but deposits still carry smart-contract, liquidation and regulatory risk.

Heidi Chakos
DeFiDeFi

Best Stablecoin Interest Rates (2025) – Compare Top Platforms

The best stablecoin interest rates come from a mix of centralised lenders like Nexo, DeFi protocols like Aave and Compound, and exchange reward programs like Coinbase's USDC rewards. Rates move with borrowing demand and are not guaranteed. Higher advertised yields almost always mean higher platform or issuer risk, so compare the source of the yield, not just the number.

Heidi Chakos
DeFiDeFi

Trade Alert

Good morning friends! I just used 1 percent of my cash to purchase more ETH at $1620. I added this to my staking on lido.fi. Seems like a great place to dollar cost average to me. I hope all of you are having a great week so far. Toby

Learning Crypto Team
DeFiDeFi

Market Update/ Trade Alert

It’s dump time for the alts. FTX is dumping their (In order of supply held by FTX) SOL, FTT, BTC, ETH, APT, DOGE, MATIC, TON and XRP on September 13th and could take a month to execute in totality. Many algo’s are looking at this and dumping everything else. This is a great flush down.

Learning Crypto Team
DeFiDeFi

Ethereum Spot ETF

Hey everyone, so I am getting a lot more bullish on ETH (for the next bull market) as Valkyrie and Ark Invest are both applying for spot ETH ETF’s. Thats huge news which I think most people don’t understand the implications of this.

Learning Crypto Team
DeFiDeFi

Trade Alert

I just added to my ETH bag here at $1619. I used up 1 percent of my cash for this purchase on Uniswap and I used USDT to purchase this. Love these dips. Leveraged traders are getting absolutely destroyed as whales hunt them down. Toby

Learning Crypto Team
DeFiDeFi

Does Your Favorite DEX/DeFi Platform Have One??

This should be the second thing you check for when considering which DEX or DeFi platform to use. For me personally I check for a recent audit, and if previous discrepancies have been fixed and in a timely manner. This indicates a reliable and capable dev team.

Learning Crypto Team
DeFiDeFi

New Micro Cap

I am constantly searching for new coins to get into before this next bull market starts. I found one today but I have not invested any of my cash into this yet. I am still watching it but Blocktools is another micro cap that looks promising. Its just begun though so anything can happen.

Learning Crypto Team
DeFiDeFi

Staking Opportunity

Sorry for blowing up your inbox today but I wanted to let you know that I have staked ALL of my PAAL on https://staking.paalai.io/I chose to stake it for 56 days at 106% APY(You wont make 106% after 56 days, this is just an annual return and it may change at any given time) I am willing to do this...

Learning Crypto Team
DeFiDeFi

Setup Polygon for the first time in MetaMask

Learning Crypto Team
DeFiDeFi

Setup a Limit Order using 1inch DeFi/DEX Aggregator

Learning Crypto Team
DeFiDeFi

Bridge from Ethereum to Polygon using MetaMask

Learning Crypto Team

FAQ

Is DeFi safe?

DeFi is usable and powerful, but it is not “safe” in a bank sense. Smart contracts can fail, bridges can be exploited, and approvals can be abused. Size positions accordingly.

Where should a beginner start in DeFi?

Learn what a DEX swap is, how gas and approvals work, then practice with tiny amounts on a reputable chain before chasing yield.