export function formatAddress(address: string): string {
  if (!address) return '';
  return `${address.substring(0, 6)}...${address.substring(address.length - 4)}`;
}

export function formatCurrency(amount: number, currency: string = 'USD'): string {
  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency,
    minimumFractionDigits: 2,
    maximumFractionDigits: 2,
  }).format(amount);
}

export function formatAPY(apy: number): string {
  return new Intl.NumberFormat('en-US', {
    style: 'percent',
    minimumFractionDigits: 2,
    maximumFractionDigits: 2,
  }).format(apy / 100);
}