Human civilization has expanded outwards, driven by the selfish genes that shape identity. From identity based on family blood ties to racial and religious identity based on national and religious systems, and then to the completely identityless network era of the internet and #BTC, it is essentially an expansion of identity, from family genetic identity to national, religious, and racial identity, and finally to identityless network relationships. Human civilization has taken a giant leap forward, breaking free from the control and constraints of genes.