Various topics
Various topics

Various topics

This blog is about various different topics.


French defense in chess games

14 Oct 2026 1 minute read 0 comments I_g_o_r $0.02

In this post, we consider the French defense. e2e4, e7e6. 2. d2d4, d7d5. 3. e4e5, c7c5. 4. c2c3, b8c6. 5. g1f3, d8b6. The origins of the French Defense can be traced back to the 18th century, although it only really gained prominence and recog...

Update on Q-day predictions

4 Oct 2026 1 minute read 0 comments I_g_o_r $0.19

The most recent major industry and research predictions place Q-Day—the moment quantum computers can break standard public-key cryptography like RSA-2048 and elliptic curve systems—between 2028 and 2030, with several key updates shifting timelines cl...

Four knights’ game in chess

22 Sep 2026 2 minute read 0 comments I_g_o_r $0.05

In this post, we consider the Four knights’ game in chess. e2e4, e7e5. 2. g1f3, b8c6. 3. b1c3, g8f6. 4. f1b5, f8b4. 5. e1g1, e8g8. The Four Knights Game is a classical chess opening dating to the mid-19th century, characterized by the symmetri...

The five popular false myths about BTC and crypto, which the majority of crypto users believe are true

14 Sep 2026 6 minute read 4 comments I_g_o_r $0.18

The five popular false myths about BTC/crypto, which the majority of crypto users believe are true, are: 1. BTC is an alternative to fiat money/currency. 2. BTC has a positive intrinsic value. 3. BTC price reflects BTC intrinsic value. 4. Buying BTC/...

Evan’s gambit in chess games

10 Sep 2026 1 minute read 0 comments I_g_o_r $0.01

In this post, we consider the Evan’s gambit. e2e4, e7e5. 2. g1f3, b8c6. 3. f1c4, f8c5. 4. b2b4, c5b4. This surprise attack on the black bishop is the key move of the Evans gambit. 5. c2c3, b4c5. In 1826 or 1827 the Welsh sea captain and invent...

English opening in chess games

2 Sep 2026 1 minute read 0 comments I_g_o_r $0.04

In this post, we consider the English opening. c2c4, e7e5. 2. b1c3, g8f6. 3. g1f3, b8c6. 4. d2d4, e5d4. 5. f3d4, f8b4. The English Opening, characterized by the move 1. c2c4, is a flexible flank opening established by Howard Staunton in the 18...

A short report on statistics of losses in crypto industry

25 Aug 2026 6 minute read 0 comments I_g_o_r $0.11

In the crypto industry, total reported losses to U.S. fraud authorities exceeded $11.3 billion, with global illicit crypto theft estimates surpassing $3.4 billion. The FBI Internet Crime Report logged 181,565 crypto complaints, yielding an average lo...

Dutch defense in chess games

18 Aug 2026 1 minute read 0 comments I_g_o_r $0.06

In this post, we consider the Dutch defense. d2d4, f7f5. 2. g2g3, g8f6. 3. f1g2, e7e6. 4. g1f3, f8e7. 5. c2c4, e8g8. The Dutch Defense is a chess opening characterized by the moves 1. d2d4 f7f5. It's an aggressive strategy employed by blacks,...

Comparison of different types of passwords/seeds/etc. generators

10 Aug 2026 3 minute read 6 comments I_g_o_r $0.08

When users create crypto wallets, seeds, passphrases, passwords, etc., often, they use different types of generators. In this post, we compare three types of generators: -random passwords generators; -dynamic (deterministic) passwords generators; -dy...

Danish gambit in chess games

30 Jul 2026 1 minute read 0 comments I_g_o_r $0.02

In this post, we consider the Danish gambit. e2e4, e7e5. 2. d2d4, e5d4. 3. c2c3, d4c3. 4. f1c4, c3b2. 5. c1b2, d7d5. At its core, the Danish Gambit revolves around whites sacrificing the c2 pawn after the moves 1. e2e4 e7e5 2. d2d4 e5d4 3 c2c3...