Bug bounty program
Outreach employs a private bug bounty program that enables a large pool of security researchers to test the platform on a continuous basis, indicating that the program is currently active.
LayerZero Labs offers the largest bug bounty in the world, valued at $15 million, indicating that they have a bug bounty program. There is no information suggesting that the program is inactive.
Weave operates a Bug Bounty Program following Bugcrowd's Vulnerability Rating Taxonomy, indicating that the program is active and currently in place.
Ibotta offers a bug bounty program for independent security researchers to test and submit security issues, and there is no indication that the program is inactive.
Sturdy Finance offers a bug bounty program through Immunefi, and there is no indication that the program is inactive.