Simple solutions to complex problems

Simple solutions to complex problems

Each post is devoted to a simple solution to a complex problem.


A simple way to test if a file has malware infections

26 Jul 2023 1 minute read 2 comments I_g_o_r

Modern malware (malicious code) can be hidden in many types of files and infect computers, phones or other devices when these files are activated by devices or programs/apps on these devices. Meduza (see [1]) can steal info from 19 password manager a...

A simple way to create multi-factor authentication with dynamical passwords

4 May 2023 1 minute read 4 comments I_g_o_r

Password-hacking attacks are on the rise https://www.zdnet.com/article/password-hacking-attacks-are-on-the-rise-heres-how-to-stop-your-accounts-from-being-stolen/ Currently used authentication is not secure and can be easily hacked. https://www.compu...

A simple way to convert a weak password into 100 super strong passwords

29 Mar 2023 3 minute read 8 comments I_g_o_r

  In the current epoch, an average user has over 100 online accounts and is required by employers, businesses, organizations and governments to have strong and different passwords for these accounts, which should be also periodically changed by the u...

A simple way to become a solopreneur

9 Mar 2023 10 minute read 4 comments I_g_o_r

A solopreneur is an entrepreneur, who does not have business partners and employees and who runs a micro business. Many experts agree that to start a micro business a person needs three elements: -products/services to sell; -customers who buy the pro...

A simple way to have generated on demand (GOD) bitcoin wallets

15 Feb 2023 2 minute read 9 comments I_g_o_r

For the last year (2022) crypto investors had lost over $3.8 billion due to hacked private keys. See [1-2]. Those private keys were stored in some encrypted files on some computers. When hackers are able to get access to private keys they can transfe...

A simple way to hedge bitcoin investments

8 Feb 2023 1 minute read 0 comments I_g_o_r

In [1] we considered a simple way to hedge crypto investments from loses, by using put options. There are some inconveniences with this method. The first inconvenience is that options have expiration dates, therefore to support hedging positions inve...

A simple way to learn new foreign words

2 Feb 2023 1 minute read 2 comments I_g_o_r

In this post we learn how to use a free tool available here https://dynpass.link/dpp/files/fws.zip to learn foreign words. First of all, we need to download the zip file. Then check it on viruses. If all is fine then select a version for our computer...

A simple way to determine if paid advertising worth it

25 Jan 2023 1 minute read 0 comments I_g_o_r

There are many options for offline and online advertising today. The main questions are: which options to use and is paid advertising worth it? In this post we consider a simple way to determine if it worth to pay for adds given data on prices and ef...

A simple trading simulator

12 Jan 2023 1 minute read 4 comments I_g_o_r

A simple trading simulator (STS) is a free program to help users to improve their intuition and skills in trading different assets: crypto currencies, stocks, commodities, etc. You can download STS from this link https://dynpass.link/dpp/files/sts.zi...

A simple way to avoid passwords hacks and earn some money

6 Jan 2023 1 minute read 21 comments I_g_o_r

A recent hack of LastPass (see [1-3]) again highlighted the problem with passwords stored in encrypted files. These files can be hacked, stolen, damaged, corrupted, confiscated, etc. A simple solution to this problem is to use dynamical passwords gen...