What happens if you don’t pay taxes on your crypto holdings?

bitcoin
Bitcoin (BTC) $ 63,956.00
ethereum
Ethereum (ETH) $ 1,846.25
tether
Tether (USDT) $ 0.999261
bnb
BNB (BNB) $ 567.66
xrp
XRP (XRP) $ 1.09
solana
Solana (SOL) $ 74.91
dogecoin
Dogecoin (DOGE) $ 0.07222
chainlink
Chainlink (LINK) $ 8.25
shiba-inu
Shiba Inu (SHIB) $ 0.000004
nexo
NEXO (NEXO) $ 0.743891
enjincoin
Enjin Coin (ENJ) $ 0.027573
cardano
Cardano (ADA) $ 0.166249