This blog is about various different topics.
19 Jul 2026 4 minute read 2 comments I_g_o_r
In one of the previous post (see [1]), we looked into popular myths about cyber security of hardware wallets. In this post we look into arguments of prominent crypto experts and security researchers, regarding the modern state of cyber security and v...
13 Jul 2026 10 minute read 0 comments I_g_o_r
In this post, we consider who are the least and the most prepared for Q-day, as of July 14, 2026. There is no official country-by-country index ranking the "least/most prepared for Q-day." However, cybersecurity experts identify a "quantum divide". D...
8 Jul 2026 1 minute read 0 comments I_g_o_r
1) Ten key factors, which contribute to BTC price decline in the future 1.1 Many BTC bulls sold BTC at the top of the last cycle. Some of them completely abandoned BTC, but some stay in cash and wait for BTC to go to $10,000. https://www.youtube.co...
7 Jul 2026 1 minute read 0 comments I_g_o_r
In this post, we consider the Colle System in chess games. 1. d2d4, d7d5. 2. g1f3, g8f6. 3. e2e3, e7e6. 4. b1d2, f8d6. 5. f1d3, e8g8. The Colle System is a solid, 1.d2d4 chess opening Edgard Colle, designed to achieve a rapid, safe setup (1. d2d...
5 Jul 2026 8 minute read 0 comments I_g_o_r
Tech companies are currently shifting away from centralized, proprietary tokens. Instead, they are collaborating through industry consortiums. The most notable project for global money movement is Open USD (OUSD), a new stablecoin backed by over 140...
1 Jul 2026 2 minute read 0 comments I_g_o_r
In this post, we consider advantages of dynamical passwords generators (DPGs), for example https://www.dynpass.online/, vs traditional passwords managers. DynPass.online utilizes dynamic password generation principles for authentication rather than a...
30 Jun 2026 1 minute read 0 comments I_g_o_r
In this post, we consider the Center game in chess. 1. e2e4, e7e5. 2. d2d4, e5d4. 3. d1d4, b8c6. 4. d4e3, g8f6. 5. b1c3, f8e7. The Center Game is an ancient chess opening, appearing in literature as early as 1590, that aims for early central con...
23 Jun 2026 1 minute read 0 comments I_g_o_r
In this post, we consider the Center counter defense. 1. e2e4, d7d5. 2. e4d5, d8d5. 3. b1c3, d5a5. 4. d2d4, g8f6. 5. g1f3, c8g4. The Center Counter Defense, commonly known as the Scandinavian Defense, is a chess opening for blacks that begins 1....
16 Jun 2026 1 minute read 0 comments I_g_o_r
In this post, we consider the Caro-Kann defense. 1. e2e4, c7c6. 2. d2d4, d7d5. 3. b1c3, d5e4. 4. c3e4, g8f6. 5. e4f6, e7f6. The first games where the Caro-Kann defense was used, were played in Calcutta, 1856, by a mysterious Indian chess player...
9 Jun 2026 1 minute read 0 comments I_g_o_r
In this post, we consider the Budapest defense. 1. d2d4, g8f6. 2. c2c4, e7e5. 3. d4e5, f6g4. 4. c1f4, b8c6. 5. g1f3, f8b4+. ATTENTION!!! Avoid this trap for whites. 6. b1d2, d8e7. 7. a2a3, g4e5. 8. a3b4, e5d3 checkmate! The Budapest Defense (...
