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When the plan does not match reality, retail loses billions. According to POI and McKinsey estimates, up to 35% of all sales losses in FMCG are related to the human factor: 25% — poor implementation of standards, 8-10% — out-of-stock products (absence of goods on the shelf, — editor’s note). Empty shelves in stores and costs are a mirror of a systemic problem in the industry: there are agreements, but retail is still built on the human factor and manual processes that cannot be controlled on a large scale.

Semen Nenashev is 27 years old. Talking about himself, he mentions several statuses: father, veteran of the Russian-Ukrainian war, a person with a disability due to a combat injury, and a QA engineer. His biography includes an IT career, service in a strike UAV unit, a serious injury, and a return to civilian life with a disability. He does not romanticize the war and does not embellish his path. The veteran from Aiti shared with dev.ua his story not about «successful success,» but about a choice that haunts him.

In early February 2026, Bitcoin (BTC) fell below the psychological levels of $80,000–75,000, trading around $76,000–$77,000 per coin — the lowest since mid-April 2025. According to market aggregators, the price of BTC has fallen by almost 30% in recent weeks from its October 2025 peaks, when the cryptocurrency broke through levels above $120,000. This decline has brought Bitcoin to local lows, which were last observed in the medium term last year. Market observers call this a significant correction, which has been going on for several weeks, and daily trading volumes and investor interest have significantly decreased. We tell you what is happening in the dev.ua review.

In 2025, the crypto market has changed dramatically: new technologies, increased regulation, increased security requirements. We at dev.ua have collected the top 6 best crypto exchanges of the year, taking into account convenience, innovation, opportunities for traders, and the level of trust.