Txchyon Blog
Guides on crypto trading, DeFi, airdrops, security and tax. 129 articles, newest first.
December 2025
Dec 21 How to Buy Crypto with Credit Card or PayPal : Fast and Safe Options for Beginners Want to buy cryptocurrency quickly using a credit card or PayPal? This 2026 guide covers the best platforms that accept these payment methods, step-by-step instructions, fees to watch for, and tips to stay safe as a beginner. Getting started Dec 21 How to Revoke Token Allowances on Ethereum, Arbitrum, & BSC High-volume farming on EVM chains requires connecting to many protocols. Learn what an 'unlimited token allowance' is, why it's a security vulnerability, and the simple, multi-chain method using Revoke.cash to sever unwanted permissions and protect your Ethereum, Arbitrum, BSC, and Polygon funds. Security & privacy Dec 20 Hot vs. Cold Wallet: Your Ultimate Guide to Storing Crypto Safely Confused about how to hold your crypto securely? This beginner’s guide explains the difference between Hot (Software) and Cold (Hardware) wallets, why your Seed Phrase is sacred, and our top device recommendations for the Solana ecosystem. Security & privacy Dec 19 🪂 The Solana Airdrop Snowball: 4 Confirmed Farm Strategies to Claim Free Tokens The Solana ecosystem is in an Airdrop Season. We break down the farm strategies for four confirmed token launches—Tensor, Parcl, Zeta Markets, and Pump.fun—with simple, step-by-step guides to ensure your wallet qualifies for major allocations. Airdrops Dec 18 10 Biggest Crypto Mistakes Beginners Make in 2026 (And How to Avoid Them) New to crypto? Avoid costly errors that trap most beginners. This guide covers the 10 most common cryptocurrency mistakes in 2026, from security pitfalls to emotional trading, with practical steps to protect your investments. Getting started Dec 16 The Step-by-Step Guide to Setting Up Your Trezor Hardware Wallet Your complete tutorial for setting up a Trezor Model One or Model T using Trezor Suite. Learn the critical step-by-step initialization process, how Trezor's PIN and Passphrase security work, and the importance of securing your 12, 20, or 24-word recovery phrase. Security & privacy Dec 15 Best Crypto Debit Cards That Pay Rewards in 2026 Beginner-friendly guide to the best crypto debit cards in 2026, featuring cashback, token rewards, and real-world usability. Getting started Dec 15 How to Audit Smart Contracts on EVM and Solana Why smart contracts need security checks and how the process works on both Ethereum (Solidity) and Solana (Rust). We break down the four key audit steps, the essential tools (Slither, Clippy, etc.), and what to look for to keep your DeFi funds safe. Security & privacy Dec 12 How to Launch a Memecoin on Pump.fun Pump.fun is the no-code launchpad that revolutionized memecoin creation on Solana. Learn the exact steps to launch your own coin, how much it costs (less than $5!), the creator fee structure (Project Ascend), and the absolute necessity of social media community building to push your coin to Raydium and beyond. DeFi & yield Dec 11 Cold Storage 101: The Essential Guide to Setting Up Your Ledger Nano S or X A step-by-step tutorial for setting up a Ledger hardware wallet. Learn where to buy securely, how to initialize your device, manage your Secret Recovery Phrase, and master the fundamentals of crypto self-custody. Security & privacy Dec 9 What Is Polymarket? Beginner Guide A complete beginner-friendly guide to Polymarket — how it works, how to trade, and how to profit from real-world event prediction markets. Prediction markets Dec 8 How to Buy Cryptocurrency: Complete Step-by-Step Beginner's Guide Mastering your first crypto purchase doesn't need to be intimidating. This guide walks you through every click—from choosing a platform to securing your assets. Getting started