The platform ViValid will connect collectors and appraisers.

Hello!
Here's a blockchain got to collectors, as well as people who have any items that they want to evaluate. And this is very good, because such a project has long been needed to solve a number of issues. Every year many billions of dollars are spent by people on their hobbies. Collecting has several directions. One of the significant segments in this area is numismatics, as well as the collection of sports relics, comics and other items. Collectors and amateurs are engaged in the search for interesting items, mainly through the Internet. Such purchases are always risky. There can always be a factor of deception. The item can be tampered with, replaced with a cheaper one and so on. Eliminate these problems for buyers is taken by the project team ViValid https://vivalid.io/.
ViValid is a platform that connects people seeking information about valuable items and experts who can share their knowledge in the required fields. The decentralized platform is based on blockchain technology. This ensures the reliability, security and consistency of all data. Blockchain will create the world's first book of collectibles containing a history of changing their value.
The ViValid platform will be useful to both casual users and collectors, as well as professionals in various fields of knowledge. Thanks to the site, everyone will receive reliable and accurate reports on their questions. Information on requests will be provided by experts. And each subject will be evaluated not by one person. Five levels of experts will consistently analyze a copy of your collection and express an opinion about it. This approach guarantees the accuracy and reliability of the assessment.
The Proof of Validation Protocol (POV) also contributes to the accuracy and quality of the evaluation, and also guarantees the transfer of tokens between users of the system.

Transactions on the ViValid platform will be carried out using ViV tokens. The marker is needed to pay for the valuation services, and the validators will receive payment for their services in the ViV tokens. Token sale is scheduled for May 14 - June 11, 2018. During the preliminary sale for 1 ETH, buyers will receive 2520 ViV (40% bonus). During the main sale, 1800 ViV can be bought for 1 ETH. But in different period bonus tokens from 5 to 15% are provided. Do not delay the purchase for the last few days. Have time to use the bonus programs.
https://vivalid.io/
https://vivalid.io/documents/vivalid-whitepaper.pdf
https://vivalid.io/#whitepaper

Мой Bitcointalk https://bitcointalk.org/index.php?action=profile;u=1950016
Мой Myetherwallet 0x2A91b152f2e7C48caaD522Fd523Be04f9EF4c075