at that time, Vietnam was still backward, didn't know where to save it

$BTC

Please buy bitcoin.
10 years ago: If you had invested $1,000 in Bitcoin in 2014, your investment would be worth $270,665. 15 years ago: If you had invested $1,000 in Bitcoin in 2009, your investment would be worth $103 billion. Bitcoin was trading at $0.00099 per bitcoin at the end of 2009, when $1 was equivalent to 1,309.03 bitcoins.