ViewBase might be a bit more popular than CoinMarketCap API. We know about 1 link to it since March 2021 and only 1 link to CoinMarketCap API. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Before you can use the CMC API, you need to sign up for a (free) developer account, to receive an API key. You can sign up at pro.coinmarketcap.com and - after verifying your account - you can retrieve your API key. Source: over 2 years ago
There's a total of ~1,300,000 BTC available on all major exchanges according to viewbase.com with sell offers spanning from 42000 to 100000 and probably higher in the order book. So I'd guess if we pick average price of 70000 per BTC you'll have to pay ~$100 billion. But it shouldn't be as cheap as that because markets will react to such rapid buying and adjust their offers up in price. Or you could start buying... Source: about 2 years ago
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