Ian Crosby's Synthetic, which is building an AI bookkeeper, raised a $10M seed led by Khosla; Crosby founded Bench, which raised $100M+ and imploded in 2024 (Marina Temkin/TechCrunch)

Marina Temkin / TechCrunch: Ian Crosby's Synthetic, which is building an AI bookkeeper, raised a $10M seed led by Khosla; Crosby founded Bench, which raised $100M+ and imploded in 2024 — Ian Crosby, whose previous startup Bench Accounting famously shut down in 2024 before being bought for scraps …