BitBounce vs Knock Knock City

We invented a solution to spam that charges senders of cold emails a fee for their emails to be delivered. We raised significant funds through an ICO and are now growing very quickly.

Cryptocurrency spam solution. BitBounce reduces your email spam by charging unsolicited email senders a cryptocurrency fee to send you their emails.

When senders pay your cryptocurrency fee, their emails are moved to your inbox.

Store your bags and luggage with our host locations all around NYC

Knock Knock City is like Airbnb for Luggage; It's an on-demand daily storage service that connects travelers, commuters and urbanites who don’t want to schlep bags and luggage around the city all day with trusted local shops nearby (coffee shops, tailors, clothing stores) who can securely store the items.