The new law requires that business that deal in cryptocurrency assets engage the services of a third-party custodian to secure their clients' assets.
source https://www.google.com/url?rct=j&sa=t&url=https://blockchainreporter.net/2018/11/26/invault-launches-in-hong-kong-in-line-with-new-cryptocurrency-regulations/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGMM1-G7as95mUzMMB1pE0M1PN3cg
