[Boerse Stuttgart Group Launches BISON Select Premium Membership Program for Active Crypto and Securities Traders] DeepFlow Tech News, April 20: According to Crowdfund Insider, Boerse Stuttgart Group's BISON trading app has officially launched a premium loyalty program, BISON Select, targeting active retail users with crypto trading volumes of no less than €40,000 over the past 12 months. Users will be automatically categorized into Silver, Gold, and Platinum tiers based on trading activity, enjoying differentiated benefits, including: up to €500 annual cashback on Bitcoin trades, unlimited commission-free stock and ETF trading for Platinum members, dedicated account managers, unlimited euro deposits, €50 Ethereum rewards for each successful referral, and discounted crypto tax filing services in collaboration with tax software Blockpit.