There are different bug bounty platforms to report bugs from various regions most popular bug bounty platforms are Bug crowd and Hacker one remaining are some of another popular platforms in bug bounty. Here they are:
Hacker one: https://www.hackerone.com
Bug crowd: https://www.bugcrowd.com
Bug-bounty: https://www.bug-bounty.com/
Synack: https://www.synack.com
japan bug bounty program: https://bugbounty.jp/
cobalt: https://cobalt.io/
zerocopter: https://zerocrapter.com/
hackenproof: https://hackenproff.com/
bountyFactory: https://bountyfactory.io/
antiHack: https://www.antihack.me/
SafeHats: https://safehats.com/
Intigriti: https://www.intigriti.com/
Yogosha: https://yogosha.com/
Praetorian: www.praetorian.co/
Yeswehack: https://www.yeswehack.com/
There are some platforms to report bugs for indian government sites to protect our nation from cyber crimes.
NIICPC: https://nciipc.gov.in
RVDP: https://nciipc.gov.in/RVDP.html
For each and every bug bounty platform there are various critical level bugs.bounty will be declared based on level of bug and first priority bases, suppose if a same bug is reported by the 2 persons first person reported will get bounty and another person will be rewarded with appreciation certificate or with hall of frame or hoodies.
p1: critical level bug
p2: high level bug
p3: medium level bug
p4: low level bug
