Crypto has a new unicorn. The Open Platform, one of the main app developers on the blockchain chosen by the messaging app Telegram, announced Thursday that it had raised a $28.5 million Series A at a $1 billion valuation. The fintech specialist Ribbit Capital led the round, with participation from the crypto VC Pantera Capital. The raise was for about 5% of equity and did not include allocations of cryptocurrency, The Open Platform founder and CEO Andrew Rogozov told Fortune. The Open Platform, ...