The best coin pair with BTC often depends on market conditions and individual trading strategies, but some popular options include:

1. ETH/BTC - Ethereum is generally considered the second most important cryptocurrency after Bitcoin and tends to have good liquidity.

2. LTC/BTC - Litecoin is known as the silver to Bitcoin's gold and has a relatively stable trading pair with BTC.

3. XRP/BTC - Ripple's XRP can offer volatility and opportunities for traders looking to capitalize on price fluctuations.

4. DOT/BTC - Polkadot's unique technology and growing ecosystem make its pairing with BTC interesting for investors.

5. LINK/BTC - Chainlink has gained popularity for its utility in smart contracts and DeFi, making it a frequent trading choice against BTC. Always consider factors like market trends, your risk tolerance, and research before trading!

$BTC

$XRP

$ETH