# OPSEC Megathread
My complete OPSEC education in computer science, programming with Bitcoin, the importance of privacy, bitcoin and security tools and how to use them in our surveillance state.
In table form: http://cypherdiaries.net/opsec/
COMPUTER SCIENCE & PROGRAMMING WITH BITCOIN
(Ordered from General to Specialized)
Introduction to Computer Science and Programming
@MITOCW
https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00sc-introduction-to-computer-science-and-programming-spring-2011/index.htm
Bitcoin Video Crash Course
@99BitcoinsHQ
https://99bitcoins.com/subscribe-to-newsletter/
10 Days of Bitcoin
@yenFTW
https://10daysofbitcoin.com/
Mastering Bitcoin: Programming the Open Blockchain
@aantonop
https://www.goodreads.com/book/show/21820378-mastering-bitcoin
Programming Bitcoin
@jimmysong
https://www.amazon.com/gp/product/1492031496/ref=as_li_ss_tl?pf_rd_p=c2463b52-1139-4aba-9ac9-26d103f6c586&pf_rd_r=KHGVVFT2B2GQ4W442FH0&linkCode=sl1&tag=jimmysong-20&linkId=890eda96380a7e39e5e3195e6991ec25&language=en_US
Bitcoin Protocol Development Curriculum
@adamcjonas
https://github.com/chaincodelabs/bitcoin-curriculum
@ChaincodeLabs
Moonuniversity
@_JustinMoon_
https://mooniversity.io/
Introduction To Cryptocurrency
@hosseeb
https://nakamoto.com/introduction-to-cryptocurrency/
@nakamoto
Lightning Network Protocol Development Curriculum
@adamcjonas
https://github.com/chaincodelabs/lightning-curriculum
@ChaincodeLabs
PRIVACY THEORY
(Ordered Chronologically)
New Directions in Cryptography
Whitfield Diffie & Martin Hellman
1976
https://ee.stanford.edu/~hellman/publications/24.pdf
Protocols for Public Key Cryptosystems
Ralph Merkle
1978
http://www.merkle.com/papers/Protocols.pdf
Blind Signatures for Untraceable Payments
@chaumdotcom
1983
https://sceweb.sce.uhcl.edu/yang/teaching/csci5234WebSecurityFall2011/Chaum-blind-signatures.PDF
The Dining Cryptographers Problem: Unconditional Sender and Recipient Untraceability
@chaumdotcom
1988
https://sites.cs.ucsb.edu/~ravenben/classes/595n-s07/papers/dcnet-jcrypt88.pdf
Digital Cash & Privacy
@halfin
1993
https://nakamotoinstitute.org/digital-cash-and-privacy/
Advances in Distributed Security
@NickSzabo4
2003
https://nakamotoinstitute.org/advances-in-distributed-security/
The Case for Privacy
David D. Friedman
2005
https://nakamotoinstitute.org/the-case-for-privacy/
How The Lightning Network Layers Privacy On Top Of Bitcoin
@AaronvanW
2016
https://bitcoinmagazine.com/articles/how-the-lightning-network-layers-privacy-on-top-of-bitcoin-1482183775
@BitcoinMagazine
Privacy and Cryptocurrency, Part I: How Private is Bitcoin?
@ercwl
2019
https://medium.com/human-rights-foundation-hrf/privacy-and-cryptocurrency-part-i-how-private-is-bitcoin-e3a4071f8fff
Schnorr Signatures & The Inevitability of Privacy in Bitcoin
@LucasNuzzi
2019
https://medium.com/digitalassetresearch/schnorr-signatures-the-inevitability-of-privacy-in-bitcoin-b2f45a1f7287
@CoinMetrics
A Treatise On Bitcoin And Privacy Part 1: A Match Made In The Whitepaper
@giacomozucco
2020
https://bitcoinmagazine.com/articles/a-treatise-on-bitcoin-and-privacy-part-1-a-match-made-in-the-whitepaper
@BitcoinMagazine
BITCOIN & SECURITY TOOLS
(Ordered by Suggested Expertise – From Pre-Newb to OG)
1Password
@1Password
A password manager, digital vault, form filler and secure digital wallet.
https://1password.com/
@jeffreyshiner
LastPass
@LastPass
LastPass is a freemium password manager that stores encrypted passwords online.
https://www.lastpass.com/
@JoeSiegrist
Duckduckgo
@DuckDuckGo
We are the Internet privacy company that lets you take control of your information, without any tradeoffs.
duckduckgo.com
@yegg
Lolli
@trylolli
Lolli gives customers free bitcoin rewards when they shop at 750+ top merchants.
lolli.com
@alexadelman
Bull Bitcoin
@BullBitcoin_
Bull Bitcoin is a Canadian Bitcoin exchange.
bullbitcoin.com
@FrancisPouliot_
Cash App
@CashApp
An app to buy and sell Bitcoin.
cash.app/download
@jack
River Financial
@RiverFinancial
River Financial is the best place to buy, sell, and use Bitcoin for the long-term investor.
river.com
@Leishman
Kraken Exchange
@krakenfx
An exchange to buy and sell cryptocurrency.
kraken.com
@jespow
bitrefill
@bitrefill
Buy gift cards & refill phones with Bitcoin all over the world.
bitrefill.com
Fold
@fold_app
Earn bitcoin when you buy gift cards to your favorite retailers.
foldapp.com
@wlrvs
Tor
@torproject
Tor Browser protects you against tracking, surveillance, and censorship.
https://www.torproject.org/
FinalMessage
@finalmessageio
FinalMessage allows you to automate a message to a loved one, trusted friend, or business partner that is only sent if you stop responding.
https://finalmessage.io/
@matt_odell
Keybase
@KeybaseIO
Keybase is for keeping everyone's chats and files safe.
https://keybase.io/
@malgorithms
Abra
@AbraGlobal
Abra uses bitcoin and blockchain technology to enable users to transact in over 50 currencies, including bitcoin.
http://abra.com/
@billbarhydt
Cryptosteel
@cryptosteel
Your private data, stamped in steel, wrapped in steel, and protected for life with Cryptosteel.
https://cryptosteel.com/
Coinmine
@coinmine
Coinmine One is the first all-in-one crypto miner for everyone.
https://coinmine.com/
@farbood
Blockstream Green
@Blockstream
Blockstream Green is a Bitcoin wallet that offers a blend of security and ease-of-use.
https://blockstream.com/green/
@adam3us
Cold Card
@COLDCARDwallet
Cold Card develops Bitcoin dedicated hardware wallets.
https://coldcardwallet.com/
Electrum
@ElectrumWallet
A lightweight Bitcoin wallet.
electrum.org
Unchained Capital
@unchainedcap
Unchained Capital is a bitcoin native financial services company offering collaborative custody multisignature vaults and loans for bitcoin holders.
https://unchained-capital.com/
@dhruvbansal
Ledger
@Ledger
Ledger develops cryptocurrency hardware wallets.
http://www.ledger.fr/
@EricLarch
Trezor
@Trezor
Trezor creates the first cryptocurrency hardware wallet.
https://trezor.io/
@pavolrusnak
int3 USB Condom
Charge your devices without the risk of data hack.
https://int3.cc/products/usbcondoms
PGP
PGP is used for signing, encrypting, and decrypting texts, e-mails, files, directories, and whole disk partitions and to increase the security of e-mail communications.
https://en.wikipedia.org/wiki/Pretty_Good_Privacy
Bisq
@bisq_network
Bisq is an open-source desktop application that allows you to buy and sell bitcoins in exchange for national currencies, or alternative cryptocurrencies.
https://bisq.network/
@wiz
Hodl Hodl
@hodlhodl
P2P Bitcoin trading platform that doesn't hold funds.
https://hodlhodl.com/
OPENDIME
@OPENDIME
The Bitcoin Stick. Like cash in hand, physically pass it along multiple times.
https://opendime.com/
Samourai Wallet
@SamouraiWallet
Samourai Wallet is a privacy-obsessed bitcoin app.
https://samouraiwallet.com/
@SamouraiDev
Wasabi Wallet
@wasabiwallet
Wasabi is an open-source non-custodial privacy-focused Bitcoin wallet for Desktop.
https://wasabiwallet.io/
myNode
@mynodebtc
myNode aims to be the easiest way to run a dedicated, easy to use, Bitcoin Node and Lightning Wallet.
https://mynodebtc.com/
GrapheneOS
@GrapheneOS
Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
@DanielMicay
Casa
@CasaHODL
Casa helps consumers securely store bitcoin with multisig wallets and verify transactions with node hardware.
https://keys.casa/
@jeremyrwelch
Breez
@Breez_Tech
Breez is a 100% non-custodial Lightning client & point-of-sale.
breez.technology
Joule
@LightningJoule
Joule brings the power of lightning to the web with in-browser payments and identity, all with your own node.
lightningjoule.com
LN Strike
@ln_strike
LN Strke enables instant fiat to lightning payments between customers and merchants.
https://strike.me/
@JackMallers
Phoenix Wallet
@acinq_co
Phoenix Wallet is a non-custodial Bitcoin wallet with native lightning support.
https://phoenix.acinq.co/
Ride The Lightning
@RTL_App
A full function web browser app for LND and C-Lightning
https://github.com/Ride-The-Lightning/RTL
@Suheb__
nodl Dojo
@nodl_it
High performance plug and play Bitcoin node with Samourai built-in at the core.
https://www.nodl.it/
Boltz
@Boltzhq
Boltz is an instant, non-custodial, and account-free exchange built on top of the #LightningNetwork
https://boltz.exchange/
Fully Noded
@FullyNoded
Fully Noded is an open sourced app that allows you to connect to and control multiple nodes via Tor.
https://github.com/Fonta1n3/FullyNoded
@Fonta1n3
Tails
@Tails_live
Tails is a live operating system that you can start on almost any computer from a USB stick or a DVD.
https://tails.boum.org/
FreeBSD
@freebsd
FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms.
https://www.freebsd.org/
BTCPay Server
@BtcpayServer
BTCPay Server is a self-hosted, open-source cryptocurrency payment processor.
https://btcpayserver.org/
@NicolasDorier
SECURITY GUIDES
(Ordered Alphabetically)
6102bitcoin Projects
@6102bitcoin
A collection of Bitcoin websites, coinjoin resources, infographic, and other topics.
https://6102bitcoin.com/projects/
BTC Sessions
@BTCsessions
Walkthroughs of wallets, applications, hardware, basic concepts, and price movement, as well as interviews with some top industry leaders.
https://www.btcsessions.ca/
Bitcoin Cold Storage Guides
@DriftwoodPalace
Guides on how to cold store bitcoin.
https://github.com/DriftwoodPalace/guides
Building Your Own Bitcoin Satellite Node: Part 1 — Hardware Assembly
@notgrubles
Step by step instructions on how to build a Bitcoin satellite node.
https://medium.com/blockstream/building-your-own-bitcoin-satellite-node-6061d3c93e7
Bitcoin Information & Resources
@lopp
Curated educational resources and information on Bitcoin.
https://www.lopp.net/bitcoin-information.html
A Modest Privacy Protection Proposal
@lopp
How to reclaim your privacy in the surveillance age.
https://blog.lopp.net/modest-privacy-protection-proposal/
Bitcoin Wallet Privacy Threat Model
@kristovatlas
This document outlines the OBPP threat model used to develop criteria for measuring the privacy strength of Bitcoin wallets.
https://github.com/OpenBitcoinPrivacyProject/wallet-ratings/blob/master/report-02/threat%20model.wiki
TFTC Guides
@matt_odell
Product demonstrations, tutorials on how to use Bitcoin properly and explainers on different aspects of the Bitcoin network.
https://www.youtube.com/playlist?list=PL92Njil-H2HZ28lgWzKNCGH-vc-7ocKQ9
Ministry of Nodes
@ministryofnodes
Level up your Bitcoin knowledge, read our articles, watch our videos and attend our webinars.
https://www.ministryofnodes.com.au/
@stephanlivera
Bitcoin Anonymity Guide 2019: How to use BTC like a straight up G
mintycosta
This guide will show you the reality of using Bitcoin anonymously in 2019.
https://www.coincache.net/2019/01/02/bitcoin-anonymity-guide-2019-how-to-use-btc-like-a-straight-up-g/?v=42983b05e2f2
Specter: Airgapped DIY hardware wallet and a desktop multisig app
@StepanSnigirev
Step by step instructions on how to build a hardware wallet with off-the-shelf components.
https://twitter.com/StepanSnigirev/status/1168923974929199108