Regulatory changes significantly impact Bitcoin's price by influencing market sentiment and investor confidence. Positive regulations, such as clear guidelines or legal recognition, can boost Bitcoin's price by increasing legitimacy and attracting institutional investors. Conversely, harsh regulations or bans can lead to price declines and market panic. The decentralized nature of cryptocurrencies complicates regulation, requiring coordinated international efforts. Regulatory clarity can enhance market stability and encourage investment, while sudden crackdowns can cause sharp price drops.