CoinCheckup came about as a result of constant frustration due to the serious lack of transparency that dots the current cryptocurrency market. Its important to note that most cryptos have information available online; the hustle lies in finding a good platform to do comparisons on.
Precisely, and we only input information from official sources (a coin's primary website, official twitter account etc.). Even though we accept data change requests from the community via the website itself, we only approve them if they can be proven with a trusted source that's publicly reachable for anyone else.