RE: Bitcoin Hodling Challenge - First month completed with 2500$ in BTC value!
The Bitcoin custodian is Binance directly: https://www.binance.com/en/blog/347360878904684544/Introducing-BitcoinPegged-Token-on-Binance-Chain
So, you're not 100% on your own but pretty safe if you ask me.
RE: Bitcoin Hodling Challenge - First month completed with 2500$ in BTC value!