MrDeFi

Crypto & DeFi Blog — Page 6

Layer 1s & Altcoins2026-06-083 min read

How Polkadot Parachain Auctions Work

Polkadot parachain slots were historically won via crowdloan-funded auctions. Here's how the mechanism worked and how access has evolved since.

Web3 & DAOs2026-06-084 min read

Crypto Airdrops Explained: How Free Token Distributions Work

Learn how crypto airdrops distribute free tokens, why projects use them, and how eligibility criteria typically work.

Bitcoin2026-06-084 min read

The Bitcoin Mining Energy Debate: Both Sides Explained

The Bitcoin mining energy debate explained neutrally: consumption data, environmental concerns, and counterarguments like stranded energy use.

Ethereum2026-06-073 min read

What Is Flashbots? How It Mitigates MEV on Ethereum

What is Flashbots? The private mempool and relay model that helps mitigate MEV in Ethereum's block-building pipeline.

DeFi Protocols2026-06-074 min read

Pendle Finance Explained: Yield Tokenization Deep Dive

How Pendle splits yield-bearing assets into principal and yield tokens, enabling fixed-yield and yield-speculation strategies in DeFi.

NFTs & Gaming2026-06-073 min read

How to List an NFT for Sale: A Step-by-Step Marketplace Guide

Listing an NFT for sale means connecting a wallet, setting a price, and approving a marketplace transaction. Here's the full process and what to watch for.

Ethereum2026-06-074 min read

How to Estimate Ethereum Gas Fees Before Sending a Transaction

Practical ways to estimate Ethereum gas fees in advance, using wallet simulations, current base fee data, and gas tracking tools.

DeFi Protocols2026-06-073 min read

GMX vs dYdX: Comparing Decentralized Perpetuals

GMX and dYdX represent two different models for decentralized perpetual futures trading. Here's how their mechanisms and fees compare.

Wallets & Self-Custody2026-06-074 min read

Best Wallets for NFT Collectors and Traders

Compare wallets for NFT collectors on gallery display, marketplace integration, and approval management to protect valuable collections.

Security & Scams2026-06-074 min read

Authenticator App vs SMS 2FA: Which Is More Secure?

Comparing TOTP authenticator apps and SMS codes for 2FA, and why SMS is uniquely vulnerable to SIM swap attacks.

Wallets & Self-Custody2026-06-074 min read

Account Abstraction Wallets Explained (ERC-4337)

Learn how ERC-4337 account abstraction enables smart contract wallets with gas sponsorship and social recovery.

DeFi Protocols2026-06-064 min read

What Is a Flash Loan Attack? How These Exploits Work

What is a flash loan attack? How borrowed, uncollateralized capital is used to manipulate prices and exploit DeFi protocols.

Layer 2 & Scaling2026-06-064 min read

What Are Fraud Proofs? How Optimistic Rollups Stay Secure

What are fraud proofs? Learn how this challenge mechanism keeps optimistic rollups secure and why withdrawals take about a week.

Ethereum2026-06-055 min read

What Is EIP-7702? Ethereum's Next Account Abstraction Step

EIP-7702 lets regular Ethereum wallets temporarily act like smart contracts within a transaction, enabling batching, sponsorship, and more.

Web3 & DAOs2026-06-054 min read

What Is a Governance Token? Voting Rights Explained

Learn what governance tokens are, what utility they provide beyond voting, and common criticisms of plutocratic control.

Wallets & Self-Custody2026-06-054 min read

What Is a Custodial Recovery Wallet? Hybrid Models Explained

Custodial recovery wallets blend self-custody with backup options via a trusted provider, trading some purity of control for easier recovery.

Stablecoins & Payments2026-06-053 min read

How Stablecoin Arbitrage Trading Works

Explains how traders profit from small stablecoin peg deviations across exchanges and pools, and why this activity helps maintain the peg.

Layer 2 & Scaling2026-06-054 min read

How to Add Base Network to MetaMask

Step-by-step network configuration details for connecting MetaMask to Base mainnet, including chain ID and RPC info.

Stablecoins & Payments2026-06-044 min read

Stablecoins and Smart Contract Risk: What to Know

How bugs or exploits in issuer or protocol smart contracts can affect stablecoin safety, beyond reserve risk.

Security & Scams2026-06-044 min read

Pump and Dump Schemes Explained: How They Work

Pump and dump crypto schemes explained: how coordinated groups inflate a token's price and exit, leaving later buyers as exit liquidity.

Layer 1s & Altcoins2026-06-044 min read

The BNB Chain Ecosystem: A Complete Overview

A survey of BNB Chain's DeFi, gaming, and launchpad projects, and how its Binance ties shape the ecosystem's growth.

Web3 & DAOs2026-06-034 min read

What Is Quadratic Funding? A Beginner's Guide

Quadratic funding matches donations using a formula that favors broad community support over large single donors.

Layer 1s & Altcoins2026-06-033 min read

Sui vs Solana: Comparing Transaction Speed and Fees

Sui and Solana compared on real-world throughput, fee levels, and finality — two different architectures aimed at similar goals.

NFTs & Gaming2026-06-034 min read

NFT Royalties Explained: How Creators Get Paid on Resales

How NFT royalties work on-chain and off-chain, and why many marketplaces have made creator royalties optional rather than enforced.

DeFi Protocols2026-06-033 min read

How Do DeFi Protocols Handle Bad Debt? Explained

How DeFi protocols handle bad debt: socialized losses, insurance funds, and shortfall mechanisms explained across major lending platforms.

Trading & Markets2026-06-034 min read

Dollar-Cost Averaging (DCA) in Crypto Explained

Dollar-cost averaging in crypto explained: how DCA works, why it reduces timing risk, and how it compares to trying to time the market perfectly.

Layer 1s & Altcoins2026-06-023 min read

What Is TON? The Open Network Explained

TON is a sharded blockchain born from Telegram, now aiming for mass adoption through messaging-app integration. Here's how it works.

Trading & Markets2026-06-024 min read

What Is Slippage in Crypto Trading? Causes and Fixes

What is slippage in crypto trading? Learn its causes, how tolerance settings work on DEXs, and how to minimize it.

Layer 2 & Scaling2026-06-024 min read

What Is MEV on Layer 2s? How It Differs from L1

MEV on layer 2s works differently than on Ethereum mainnet because a centralized sequencer usually controls transaction ordering. Here's how.

Stablecoins & Payments2026-06-024 min read

What Is LUSD? Liquity's Decentralized Stablecoin Explained

LUSD is an ETH-collateralized stablecoin with an immutable protocol and zero-interest borrowing. Here's how it differs from DAI.

NFTs & Gaming2026-06-022 min read

NFT Trait Upgrades Explained: How Burn-to-Evolve Mechanics Work

NFT trait upgrades let holders burn or combine tokens to mint an evolved version with new traits. Learn how the mechanic works.

Trading & Markets2026-06-024 min read

How to Use a Crypto Market Heatmap for Quick Analysis

Crypto heatmaps visualize sector and market performance using color and size. Learn how to read them and use them for quick market analysis.

Layer 2 & Scaling2026-06-014 min read

What Is Polygon PoS? Ethereum's Sidechain Explained

What is Polygon PoS? Learn how this commit-chain sidechain works, how it differs from true rollups, and its security tradeoffs.

Ethereum2026-06-014 min read

What Is MEV? Maximal Extractable Value on Ethereum Explained

What is MEV? How validators and block builders can reorder or insert transactions for profit on Ethereum.

DeFi Protocols2026-06-014 min read

What Is GMX? Decentralized Perpetual Trading Explained

How GMX's multi-asset GLP liquidity pool backs leveraged perpetual trades, and the risks liquidity providers take on as the counterparty.

Ethereum2026-06-014 min read

Gas Limit vs Gas Price: Ethereum Transaction Fees Explained

Gas limit caps how much computation a transaction can use, while gas price sets what you pay per unit — together they determine total fees.

DeFi Protocols2026-06-014 min read

What Are AVSs? EigenLayer's Actively Validated Services Explained

What are AVSs? How EigenLayer's actively validated services borrow restaked ETH security — and the slashing risks involved.

DeFi Protocols2026-06-014 min read

What Is a CDP? Collateralized Debt Positions Explained

A collateralized debt position (CDP) lets you lock crypto collateral to mint a stablecoin against it. Learn how CDPs like Maker Vaults work.

Security & Scams2026-06-014 min read

What Is a Private Key? How to Protect It Properly

A private key cryptographically controls a crypto wallet's funds. Learn how private keys work and the non-negotiable rules for protecting them.

Wallets & Self-Custody2026-06-013 min read

What Is a Multi-Chain Wallet? Managing Assets Across Networks

Multi-chain wallets manage assets across multiple blockchains in one interface. Learn how they handle different address formats and networks.

Security & Scams2026-06-014 min read

What Is 2FA and Why Every Crypto User Needs It

Two-factor authentication basics explained, and why exchanges and wallet services require it before allowing withdrawals.

NFTs & Gaming2026-06-013 min read

What Is an NFT Snapshot? How Holder Eligibility Is Determined

An NFT snapshot records wallet holdings at a specific block to determine airdrop or allowlist eligibility. Learn how the process works and its limits.

Stablecoins & Payments2026-06-013 min read

How Does Tether Make Money? Business Model Explained

Explains Tether's business model, including how it earns revenue from treasury yield and reserve management on its USDT stablecoin.

Wallets & Self-Custody2026-05-314 min read

Passkeys in Crypto Wallets: What They Are and Why They Matter

Learn how passkey authentication works in crypto wallets and how it reduces reliance on seed phrases for some wallet types.

Layer 2 & Scaling2026-05-314 min read

How to Add Arbitrum to MetaMask: Quick Setup Guide

The exact RPC details and steps needed to add Arbitrum One as a custom network in MetaMask, plus troubleshooting tips.

Ethereum2026-05-314 min read

Ethereum's Monetary Policy: How ETH Issuance Actually Works

How Ethereum's validator reward issuance and the EIP-1559 fee burn combine to determine ETH's net supply change over time.

Security & Scams2026-05-304 min read

What Is a High-Yield Investment Scam (HYIP) in Crypto?

High-yield investment programs (HYIPs) explained: how they promise unsustainable crypto returns, and the warning signs to watch for.

Wallets & Self-Custody2026-05-304 min read

How to Set Gas Fees Manually in MetaMask

Learn how to adjust gas price and gas limit manually in MetaMask, and when doing so helps during network congestion.