[epa]

This is why computer science has evolved so fast, especially over the last 20 years, because of the open aspect of the code.

[1996]

open source finance is crypto. arbitrage provides information everyone can use.

Practical example: get free price every minute from cryptomarketplot.com/api.json then you can figure out the EUR/USD spot using BTC/USD and BTC/EUR without ever needing yahoo finance or anything