Who has the ability to change bitcoin?

In essence, anybody has the ability to change Bitcoin. This is true because anyone can submit a BIP. However, since BIPs can be censored at the discretion of the editors, one could argue that they are in control. But then, since miners need to pass any BIP with 95% confidence, one could argue that miners are able to censor the editors.

How does change work in a bitcoin transaction?

It seems that when you send a bitcoin transaction, all the coins in the sending address are spent in that transaction, divided into the amount that you intended to send, and "change", which goes back to you, but at another (newly created) receiving address.

What are bitcoin exchanges?

When most people speak of bitcoin exchanges, they're referring to centralized 'custodial' platforms like Coinbase, Kraken, and Binance. These platforms facilitate the trade of bitcoin and many other cryptocurrencies. Similar to platforms for trading stocks like Robinhood and Charles Schwab, cryptocurrency exchanges match buyers and sellers.

What will the price of bitcoin be in 2025?

A panel of crypto experts has predicted that the price of bitcoin will rise to $318,417 by December 2025. The most bullish expert believes that the price of the cryptocurrency will reach $160,000 by the end of the year. Meanwhile, 54% of them think that hyperbitcoinization will happen by 2050.