The requirement is explained here: https://bitbucket.org/JeanLucPicard/nxt ... ic-page-or
Bounty is 30K to be paid as follows:
15K when the feature is merged into the develop branch after testing and code review
15K when the fix is released as part of a stable version
You can work on the 1.6.2 code from https://bitbucket.org/JeanLucPicard/nxt ... nch/master and submit the fix as a pull request
Use this thread to ask for questions and clarifications - I'll be watching it.
Source: https://nxtforum.org/core-development-a ... -or-modal/