One source with knowledge of the project said the Aptos team was building its new layer 1 blockchain based on the original Libra white paper. The pitch to prospective investors was “Libra without Facebook,” the source said. Unlike Libra, however, the initial focus will not be on cross-border payments but on non-fungible tokens, they added. General-purpose blockchains like Ethereum, Solana, Flow and now Aptos are built to support multiple applications.