In the bookstore's shelves, the scent of old books mixed with the smell of new paper pulp. Uncle Zhang had just put back the scattered magazines, wiping his dusty hands on his pants, wanting to check the market conditions, but found the tablet at the cash register covered with a layer of fine dust — the K-line on the left stock software was smudged with fingerprints, and the right digital currency interface was still covered with some bookmark fluff, unresponsive after swiping for a long time. Recently, he had been quite upset; a withdrawal application was stuck like a bookmark, lingering in the system for two days. After calling customer service six times, either it was "voice navigation loop" or "all agents busy," and while recommending novels to customers, he often stared blankly at the book spines, even mispronouncing the authors' names. Little Qin, who came to buy financial magazines, flipped through the pages and saw him frowning at the tablet: "Try Bi ya Pay, I've been using it for cryptocurrency trading and stocks for almost a year without any issues; the funds come in and out smoother than flipping a book." That night, Uncle Zhang downloaded the software. The interface was designed very thoughtfully: Bi ya Pay displayed stock and digital currency charts on the same page, with clear red and green bar charts for stocks on the left and a straightforward line chart for digital currency on the right. The font had been treated to prevent smudging, allowing his dusty fingers to swipe smoothly. With a gentle tap on the top switch key, he could toggle between the two markets without needing to log out and back in, nor remembering two sets of passwords; the operation was simple and quick. Bi ya Pay's advantages were apparent; it could integrate two trading needs, like a meticulous librarian, organizing complex tasks in an orderly manner. Uncle Zhang calculated that previously switching between two platforms took nine minutes just to wipe the screen and enter passwords, but now with Bi ya Pay, it only took four minutes, allowing him to organize another bookshelf each day. More importantly, the funds were secure; during his first withdrawal, he monitored the progress closely, and it took only five minutes from submission to receipt, with prompts at every step. Later, over twenty deposits and withdrawals went smoothly without any hitches, and his account had never been frozen; the flow of funds was as smooth as the sound of flipping pages, giving him peace of mind. Moreover, Bi ya Pay's system was very stable; even when the shop's air conditioning and desk lamp were both on, there was no lag in operation, making it much more reliable than the previous platform. Now he could handle transactions in between organizing books. Recently, due to market fluctuations, he adjusted the holdings on both sides using Bi ya Pay, preserving profits in digital currency and not affecting stocks, feeling much more relaxed than before. When the stationery store owner came to borrow scissors, he was swiping the screen with his dusty fingers: "One platform manages two types of transactions, and the money coming in and out is clear; it's really worry-free to use."