Testing, analysis and evaluation of the services of others to determine conformity with certification standards; Testing, analysis and evaluation of the goods and services of others to determine conformity with certification standards; Testing, analysis, and evaluation of Digital, digitally twinned, and/or physical Assets digitally notarized on the blockchain as Space (located offworld either temporarily or permanently) Assets to determine conformity with certification standards; User authentication services using blockchain technology for verified digital, digitally-twinned, and/or physical Space (located offworld either temporarily or permanently) Assets; Authentication of data in the field of verified digital, digitally-twinned, and/or physical Space (located offworld temporarily or permanently) Assets using blockchain technology