Crypto news, Sierra announces the completion of a new funding round of $950 million, led by Tiger Global and GV, with the company's valuation exceeding $15 billion. Sierra revealed that after this funding round, its available funds have surpassed $1 billion. Currently, Sierra's AI agent platform has served over 40% of the Fortune 50 companies, expanding from early-stage single after-sales support to full lifecycle scenarios such as home loans, insurance claims, medical bill management, and retail recommendations. In terms of deployment efficiency, department store Nordstrom launched its voice agent Nora within 5 weeks, Singapore Telecom went live in 10 weeks achieving over 70% resolution rate, and healthcare insurer Cigna completed deployment in 8 weeks, reducing patient identity verification time by 80%.