Reku is an Indonesian investment platform that lets everyday users buy, sell and trade cryptocurrency alongside US stocks and ETFs from a single app. Founded in 2017 as Rekeningku.com and rebranded to Reku in 2022, the company positions itself as a low-fee, education-first exchange licensed by Indonesian regulators. It offers spot crypto, crypto futures, staking, OTC services and curated Reku Packs, and turned profitable in 2024 while serving hundreds of thousands of customers.
Kalshi is a New York-based, CFTC-regulated financial exchange where people trade contracts on the outcomes of real-world events - elections, economic data, sports, weather, corporate events and culture. Founded in 2018 by MIT classmates and former quant traders Tarek Mansour and Luana Lopes Lara, it became the first U.S. exchange federally approved to list event contracts. By 2026 it accounts for the large majority of U.S. prediction-market activity, has raised roughly $2.6 billion across its rounds, and was valued at $22 billion after a $1 billion Series F.