First of all what is datum and how to get up to 500 token for signup ?
Datum is a decentralized and distributed high performance NOSQL database backed by a blockchain ledger.
This technology allows anyone to backup structured data like social network data, data from wearables, smart home and other IOT devices in a secure, private and anonymous manner.
Datum provides a marketplace where users can share or sell data on their own terms.
The Ecosystem
The Datum network relies on the DAT token smart contract to provide secure trading of data while respecting the terms set out by data owners.
Data owners pay small amounts of DAT tokens to store data
Storage node miners earn DAT tokens for storing and transmitting data
Data can be purchased by spending DAT tokens, on the owners terms
Token Presale
To get free token for signup please use my referral link: https://wn.nr/Bq7gmk
you will get 100 DAT Tokens per Entry
valid until 29th October 2017 - 13:00 UTC