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Josh McIntyre
@chaintuts
52
Software engineer, tech educator, active adventurer.
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6
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Location
Pittsburgh, PA
Website
https://chaintuts.com
Created
2020-07-20 18:18
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chaintuts
Cryptocurrency
2026-02-01 03:18
New Crypto Security Audiobook - Digital Sovereignty: Protecting Your Crypto Assets Against Common Threats
Listen up for practical security knowledge! Take Digital Sovereignty: Protecting Your Crypto Assets Against Common Threats with you wherever you go. The audiobook is now available on Audible. A few months
$ 0.000
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chaintuts
HODL
2025-08-06 14:47
Cracking Missing Crypto Seed Words - Is It Possible?
Can you recover missing crypto seed words? How many words can be missing before recovery becomes impractical — or impossible? Find out with my latest free and open license tutorial! 📺 📖
$ 0.000
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chaintuts
Cryptocurrency
2025-06-02 00:27
Foot Off The Gas — Crypto Seed Phrase Gas Fee Scams
A tempting target — and a clever scam! Learn about crypto seed phrase gas fee scams with my latest free and open #tutorial! Gain insight on how attackers try to steal your coins while promising token rewards.
chaintuts
Programming & Dev
2025-05-04 16:58
Fiendish Photos – Stealing Crypto Seed Phrases with OCR
Stealing crypto seeds from...pictures? Learn about OCR malware with this free and open #tutorial! We cover OCR, regex, a fun educational demo, and the real SparkCat malware along with prevention strategies.
chaintuts
STEMGeeks
2025-04-23 18:55
I Wrote an In-Depth Book on Securing Your Bitcoin — "Digital Sovereignty: Protecting Your Crypto Assets Against Common Threats"
Hey Hive community, I'm Josh McIntyre also known as chaintuts. I've been creating free and open-license educational content about cryptocurrency security for the last 6 years. I cover cryptography, security,
chaintuts
Cryptocurrency
2025-04-08 01:44
New Crypto Asset Security Book - "Digital Sovereignty: Protecting Your Crypto Assets Against Common Threats"
New open source book on crypto security
chaintuts
HODL
2025-02-08 23:55
Bad Bits and Bitcoin – Common Types of Crypto Malware
Learn about common types of #cryptocurrency #malware threats with this free and CC-licensed #tutorial. This dives into address-swapping, seed-stealing, cryptojacking, and ransomware threats and mitigation
chaintuts
Programming & Dev
2025-01-12 20:57
Insidious Inputs - Three Types of Common Software Vulnerabilities (Video Version)
Software #vulnerabilities are a big part of security. Learn about path traversal, cross-site scripting, and buffer overflows with this free and open-licensed #tutorial, including example code demos!
chaintuts
Programming & Dev
2025-01-07 13:42
Insidious Inputs - Three Common Types of Software Vulnerabilities
Curious about how attackers exploit vulnerable software, and how those vulnerabilities work? My latest free and open licensed #tutorial dives into three common software #vulnerabilities - the #coding process,
chaintuts
HODL
2024-11-24 17:42
Fun Crypto-Crypto Facts - The Cryptography of Cryptocurrencies
Learn about 5 fun #cryptocurrency #cryptography facts with my latest free and open #tutorial. This dives into the applied crypto used in #bitcoin with some interesting facts. Also, this is the 100th video
chaintuts
Programming & Dev
2024-07-28 16:32
Password Privkey Pummeling Power – The Math and Words of Dictionary Cracking (Multi Code Companion)
Learn about cracking passwords and private keys with my latest free and open license #tutorial. We discuss the math of brute-force, and why dictionary attacks are necessary - all with fun #code examples!
chaintuts
HODL
2024-07-02 23:01
Visualizing Proof-of-Stake Algorithms with Microcontrollers (StakeSim Code Companion)
Learn how Proof-of-Stake consensus works for blockchains like #ethereum with this fun toy algorithm and microcontrollers. This videos dives into POS internals with a simple 8-bit demo written in CircuitPython.
chaintuts
Cryptocurrency
2024-06-27 01:26
Crypto Compromise - Data Breaches and Security Scenarios
Learn about how data breaches can affect #cryptocurrency users with my latest free and open license #tutorial. This security tutorial helps you understand data breaches that put your crypto at risk. #learning
chaintuts
STEMGeeks
2024-06-11 00:13
Developing a DIY Bitcoin Offline Address Generator - uBitAddr2 Code Companion
Don't miss my latest #tutorial on a fun code project - developing a revamped DIY #bitcoin offline address generator for Adafruit M4 microcontrollers using pure CircuitPython. Coding and crypto are fun!
chaintuts
HODL
2024-06-06 12:48
Becoming a Phish Fighter - Training to Spot Phishing Scams
Does this corny, MMA themed thumbnail have your attention? Good! I have a great new tutorial for you on fighting...phishing scams that is! I've got real world examples and great self-defense tactics to
chaintuts
Cryptocurrency
2024-04-07 17:55
Your Secret Stash: Seed Phrases, Password Managers, and Secret Hygiene
Protect your secret stash! Learn about the security implications of storing your cryptocurrency seed phrase in a password manager, and things to consider when making a decision. #cryptocurrency #security
chaintuts
STEMGeeks
2023-12-26 20:08
Password Cracking Power – How Passwords Are Stored and Cracked
Ever wonder how attackers crack #passwords from stolen databases? Learn about common password cracking techniques with this free and open licensed #tutorial! You'll learn about hashing, attacks, and password
chaintuts
Programming & Dev
2023-12-03 21:33
Seed Scanning Malware Educational Demo: Cryptocurrency Seed Security.
Seed scanning malware demo: why you should never store a cryptocurrency seed phrase in plain text! Learn about security and development with this fun, educational video. #cryptocurrency #security #coding
chaintuts
STEMGeeks
2023-11-29 19:02
Why You Should Never Store Cryptocurrency Seed Phrases in Plain Text
My Python project SeedScanner demonstrates why you should never store a seed phrase in plain text (unencrypted). It's trivial to scan files and pull out seed phrases with some code. Obviously, do not use
chaintuts
Programming & Dev
2023-05-20 22:12
File Verification - Hashes and Signatures
Learn about software hash & signature verification (integrity & authentication) with this free and CC-licensed video. This dives into how software sharing can be secured. #cybersecurity #cryptography
