Do you need a blockchain?

most probably

NO

learn more

Based on Wüst, Karl, and Arthur Gervais. "Do you need a Blockchain?" IACR Cryptology ePrint Archive 2017 (2017): 375.

Do you need a blockchain?

definitely

NO

Based on Wüst, Karl, and Arthur Gervais. "Do you need a Blockchain?" IACR Cryptology ePrint Archive 2017 (2017): 375.

Do you need to
store state?

yes

no

Are there multiple writers of data?

yes

no

Can you use an always online trusted third party?

yes

no

Are all writers
known?

yes

no

Do you need a blockchain?

perhaps

a permissionless blockchain might work

Based on Wüst, Karl, and Arthur Gervais. "Do you need a Blockchain?" IACR Cryptology ePrint Archive 2017 (2017): 375.

Are all writers
trusted?

yes

no

Is public verifiability required?

yes

no

Do you need a blockchain?

perhaps

a public permissioned blockchain might work

Based on Wüst, Karl, and Arthur Gervais. "Do you need a Blockchain?" IACR Cryptology ePrint Archive 2017 (2017): 375.

Do you need a blockchain?

perhaps

a private permissioned blockchain might work

Based on Wüst, Karl, and Arthur Gervais. "Do you need a Blockchain?" IACR Cryptology ePrint Archive 2017 (2017): 375.