What Are Crypto Perpetual Futures (And How I Made $8,400 Trading Them)
Alexa Velin
January 18, 2026
Root access to modern finance.
Root access to modern finance.
Ondo Finance tokenizes US Treasuries as yield-bearing crypto tokens. Here’s how USDY, OUSG, and the ONDO token work in 2026.
Stacks (STX) brings smart contracts and DeFi to Bitcoin without changing it. Learn how Proof of Transfer, sBTC, and Stacking let you earn real BTC rewards.
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A 529 plan is a tax-advantaged education savings account with tax-free growth. Learn how it works, what it covers, and the 2026 rules that changed everything.
A SEP IRA lets self-employed workers contribute up to $72,000 tax-deferred in 2026. Here’s how it works, who qualifies, and how to open one today.
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Step-by-step guide to installing Python on Linux. Covers apt, pyenv, venv, and the PEP 668 externally-managed error on Ubuntu, Debian, and RHEL.
Install Redis on Linux the right way — step-by-step commands for Ubuntu, Debian, and RHEL, plus security hardening and kernel tuning every sysadmin needs.
Learn how to install PostgreSQL on Linux step by step. Covers Ubuntu, Debian, and RHEL with first-login setup, user creation, and remote access config.
Install Node.js on Linux the right way — nvm, apt, or NodeSource. Step-by-step commands for Ubuntu, Debian, RHEL, and Arch. Pick the method that fits your workflow.
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Learn how to use modprobe to load and manage Linux kernel modules. Complete guide with practical examples, common errors, and best practices for system administrators.
Learn to use Btrfs on Linux — create subvolumes, take snapshots, enable zstd compression, and run scrubs. Practical commands for every Linux admin.
Learn how to check network speed in Linux using ethtool, speedtest-cli, and iperf3. Master bandwidth monitoring with real-world examples for 2025.
Master the ls command in Linux with this complete guide. Learn essential options, advanced techniques, common mistakes, and real-world examples from 15 years of system administration.
Scalping is like trying to catch falling knives while juggling chainsaws on a tightrope. It’s the trading equivalent of performing heart surgery with a shotgun. I’ve made $5,000 in a single morning scalping, and I’ve lost $3,000 in 15 minutes. It’s the most intense, stressful, and addictive form of trading
Learn how to compile software from source in Linux with this step-by-step guide covering configure, make, make install, dependencies, and troubleshooting common errors.
Master the nohup command in Linux. Learn syntax, real-world examples, output redirection, and how nohup compares to screen, tmux, and disown for background processes.
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
Learn how to generate SSH key in Linux with this complete guide. Set up Ed25519 keys, understand key-based authentication, and secure your servers against brute force attacks.
Alright, before I give you this week’s penny stock watchlist, we need to have a real conversation. I know why you’re here – you’ve seen some 19-year-old on TikTok turn $500 into $50,000 trading penny stocks and now you want your piece. I get it. I was you once, except
Learn how to create a custom systemd service in Linux with step-by-step examples. Write unit files, enable auto-start, and debug like a pro.
Learn how to use the ss command in Linux for network monitoring and troubleshooting. Modern replacement for netstat with practical examples for sysadmins.
Learn how to use the chown command in Linux to change file ownership. Includes real-world examples, security tips, and troubleshooting for system administrators.
Learn how to use the screen command in Linux to manage terminal sessions, run long processes, and recover from SSH disconnects. Complete guide with examples.
Learn how to check memory usage in Linux using free, top, htop, and vmstat. Understand what the numbers mean, when to worry, and how to troubleshoot memory issues.
Learn how to use the ps command in Linux with real-world examples. Master process monitoring, troubleshooting, and system administration with this essential tool.
Learn how to use the find command in Linux to search files by name, type, size, permissions, and time — with real sysadmin examples and exec tricks.
Learn how to use rsync in Linux to sync files locally and remotely over SSH. Covers options, examples, automation with cron, and common mistakes to avoid.
Learn how to use GPG in Linux to encrypt files, sign data, and manage keys. Complete command guide with real examples for sysadmins and beginners.
Master the tr command in Linux with practical examples, common mistakes to avoid, and real-world use cases. Learn when to use tr vs sed vs awk for text processing.
Learn how to use nmap in Linux for network scanning, security audits, and port discovery. Complete guide with examples, best practices, and legal considerations.
Learn how to use Ansible on Linux to automate server setup with playbooks, inventories, and modules. Step-by-step guide with real examples for sysadmins.
Learn to encrypt disks and partitions with LUKS on Linux using cryptsetup. Covers LUKS2 setup, key management, header backup, and auto-mount at boot.
I’ll never forget the first time I had to mount an external drive in production at 2 AM. The backup server was running out of space, and I needed to add a new disk fast. I fumbled through the mount command, second-guessing every flag, triple-checking the UUID before adding it
Stellar (XLM) is the payments blockchain powering cross-border remittances, USDC, and the DTCC’s 2027 tokenized securities platform. Here’s how it works.
A spot Bitcoin ETF holds real BTC and trades on stock exchanges. Here’s how it works, what it costs, the top funds to know, and who should actually buy one.
Jupiter (JUP) is Solana’s dominant DEX aggregator with $1T+ in volume and 95% market share. Here’s how it works, what JUP does, and if it’s worth your attention.
Injective (INJ) is a Layer 1 blockchain built from scratch for DeFi finance. Learn how its MEV-resistant order book, burn tokenomics, and RWA markets work.
What is Shiba Inu (SHIB)? Learn how this Ethereum meme coin evolved into a DeFi ecosystem with Shibarium L2, ShibaSwap DEX, and a deflationary burn model.
Zero knowledge proofs let you verify truth without revealing data. Here’s how ZK tech powers Ethereum L2 scaling, DeFi privacy, and the future of crypto in 2026.
Set up MetaMask wallet in minutes. Learn how to install it, secure your seed phrase, add custom networks, and avoid the scams that steal from 500 users daily.
What is Hedera HBAR crypto? Learn how hashgraph consensus, the Governing Council, and enterprise use cases make HBAR different from every other blockchain.
Hot wallet vs cold wallet explained: the key differences, real security risks, and which crypto storage strategy makes sense for your holdings.
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