How many times has the crypto market given people the chance to turn a small investment into massive returns? The stories of Bitcoin under $100 or Ethereum below $10 created crypto millionaire stories that fuel today’s hunt for the best crypto presale 2025. Now, in September 2025, the search for the next 100x crypto is back, and participants are deciding between safe altcoins under $1 like Cardano or explosive presale crypto projects such as BlockchainFX (BFX).