Facebook Is Getting More Aggressive About Its Blockchain Play: Term Sheet for Tuesday, April 9

• Klook, a travel activities and services booking platform, raised $ 225 million in Series D+ funding. The SoftBank Vision Fund led the round, and was joined by investors including Sequoia China, Matrix Partners, TCV, and OurCrowd.

• Klaviyo, a Boston-based email marketing software platform, raised $ 150 million in Series B funding, from Summit Partners.

• Upstart, a San Francisco-based artificial intelligence lending platform, raised $ 50 million in funding. Investors include Progressive Investment Company Inc, Healthcare of Ontario Pension Plan and First National Bank of Omaha.

• PubNub, a San Francisco-based infrastructure-as-a-service provider that provides a real-time network to send and manage messaging traffic between companies, raised $ 23 million in Series D funding. Investors include Hewlett Packard Enterprise, Sapphire Ventures (backed by SAP), Relay Ventures, Scale Venture Partners, Cisco Investments, Bosch and Ericsson.

• RiskLens, a Spokane, Wash.-based provider of cyber risk quantification and cyber risk management software, raised $ 20.55 million in Series B funding. Paladin Capital Group led the round.

• APANA, a developer of a smart water management service, raised $ 11 million in Series B funding. Kurita Water Industries led the round, and was joined by investors including Cowles Company, E8 Fund, and Urban Innovation Fund.

• iMod Structures, a Mare Island, Calif.-based maker of modular classrooms, raised $ 11 million in Series A funding. Investors include Goldman Sachs Urban Investment Group.

• Clozette, a Singapore-based social networking and e-commerce portal, raised $ 10 million in Series C funding from Cool Japan Fund.

• Simudyne, a London-based simulation technology company, raised $ 6 million in Series A funding. Barclays led the round, and was joined by investors including Graphene Ventures and Gauss Ventures.

• SHO Products, a Los Angeles-based provider of cannabis accessories, equipment and technology, raised $ 3.6 million in Series A funding. Investors include Ann Tenenbaum.

• Leadfeeder, a web analytics platform, raised €3.1 million ($ 3.5 million) in Series A funding. Endeit Capital led the round, and was joined by investors including Superhero Capital and Vendep Capital.

• Avail, a Chicago-based startup that helps independent landlords and tenants simplify the rental process, raised $ 2.5 million in funding. Cultivation Capital led the round.

• Strive Health, a Denver, Colo.-based kidney care company, raised funding of an undisclosed amount. New Enterprise Associates led the round, and was joined by investors including Ascension Ventures, Town Hall Ventures and Echo Health Ventures.