BTC is open source, decentralized, and you can mine it. The existing coins were mined. People may use the tool for scams, but that doesn't mean that the tech it

BTC is open source, decentralized, and you can mine it. The existing coins were mined. People may use the tool for scams, but that doesn't mean that the tech itself is a scam. By contrast, many alts were pre-mined or similar and initial coins were sold or given away via airdrops. Thus, the developers had greater control over the network.