I can recommend: The PiRi system, they are not require registration, verification, and identity verification, which simplifies and speeds up...
PiRichain - blockchain with modern API, and payment integration https:// documenter.getpostman.com/view/14938657/UyxbrVGy
PiRichain blockchain with modern API https:// documenter.getpostman.com/view/14938657/UyxbrVGy
Now a very interesting blockchain is being developed (PiRiChain), an alternative to ETH and BSC, the blockchain is able to execute Javascript...
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