OpenCover works with leading underwriters to help individuals and institutions protect themselves against onchain risks such as smart contract exploits, scams and governance attacks. It currently offers portfolio cover and institutional services.
Modular Cloud is building a block explorer for modular blockchains. In the short term, this offering will be a simple data retrieval API, but in the long term, it will act as a programmable compute and data engine that indexes modular blockchains.