- cd – alone goes to home
- cd .. – one up
- ls -d */ – show only directories
- ————————————
- cp filename.txt /path/to/copy/to
- cp multiple.txt another.txt /path/to/copy/to
- cp multiple.txt another.txt /path/to/copy/to
- cp -p (preserve timestamps)
- More on copy command:
- https://www.ionos.com/digitalguide/server/configuration/linux-cp-command
- mv
Traditional Retirement Investing
Exchange-traded funds (ETFs) can entail risks similar to direct stock ownership, including market, sector, and industry risks. Some ETFs may involve international risk, currency risk, commodity risk, leverage risk, credit risk, and interest rate risk. Trading prices may not reflect … Read more
Using The Monero App With Ledger
Please use the original articles listed below for more thorough instructions, as well as Linux options. This is only a reference copy made for myself for a Macintosh personal computing device.
There a several steps and some technical experience needed … Read more
Cardano Transactions With Ledger
To move Cardano with your Ledger device, you must use a third party app (like AdaLite) to access your public keys on Ledger, and make the transaction on the Cardano blockchain.
Read more on the Ledger website.
https://support.ledger.com/hc/en-us/articles/4405490468881?docs=true
Bitcoin Wallet Addresses: SegWit and Legacy
Legacy: Pay To Public Key Hash
Legacy address (P2PKH – Pay To Public Key Hash) is a standard Bitcoin address format originally provided in the protocol and used by most crypto-purses and services.
- Low priority for miners because there are
Loopring LRC
Loopring provides traders, participants, and institutions with a decentralized, automated trade execution system that intelligently implements their trades across the world’s crypto exchanges, shielding them from counter-party risk and reducing their trading costs.
https://medium.loopring.io/introducing-l2-counterfactual-wallet-and-fiat-on-ramps-a4b60edf15d6
Loopring intermediates trust between blockchains and … Read more
Gas Fees – Ethereum
Gas is a unit of measurement for the computing work required to carry out specified activities on the blockchain.
Gas calculates the costs required to execute each transaction based on the computational complexity, bandwidth, and available space.
Miners utilize gas … Read more
Michael Saylor and Bitcoin Energy Consumption Myth
Do you agree with Michael Saylor? #bitcoin
Originally tweeted by Altcoin Daily (@AltcoinDailyio) on December 13, 2021.
Monero
A mineable, proof of work, privacy coin, that, with (the support of its participating community) upholds what is the closest any cryptocurrency can be to being fully anonymous.
Fungible: A unit of currency is identical, and interchangeable with another unit … Read more
Smart Contracts, ERC-20 and Oracles
- A smart contract is software that automatically executes instructions when transferring tokens.
- Technical Notes: ERC is a category of Ethereum Improvement Proposals to (as the name suggests) request input comments about a given proposal.
- These are standard application-level conventions, including
Bitcoin 
Ethereum 
Cardano 
XRP 
Dogecoin 
Polygon 
Decentraland 
TrueUSD 
Basic Attention Token 
Loopring 
Sushi