The problem Holesail solves

1. Share your website, VNC server, or other services without hosting in decentralized form (Peer to Peer).
2. Secured and Serverless, Access Network without any static IP or dynamic DNS.
3. Bypass any Firewall and NAT restrictions while creating network tunnels for you.
4. Access your LAN network from anywhere without coming into network area.
5. Share files securely without any middle server through localhost.
6. Access your browser from anywhere from any system remotely without any third party interferance.

Challenges we ran into

Problems:

1. Working the same software on different operating systems.
2. How to establish connection between n systems.

Solutions:

1. Used the technologies or methods which are OS independent and work it on localhost environment.
2. By generating a hash code through data hash table as an identity and connecting sender and reciever through Kademlia Algorithm.