Questions tagged [privacy]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
14 views

Does EOS's P2P transmission mechanism support encrypted transmission of information?

I'm not sure if this is already supported. The use case is like this: Using secret-key cryptography, Alice and Bob would have to devise a single cryptographic key that they will both know and use ...
0
votes
0answers
14 views

How to implement a key escrow system?

I want to make a smart contract that acts as an escrow for a decryption key : there is a file stored outside blockchain which is crypted. I'd like the smart contract to somehow keep the decryption ...
1
vote
1answer
26 views

Is there a EOS tumbler or coinjoin service to obfuscate my coins and addresses?

I find it very annoying that users can easily see my trading activity on dapps and how much I own and which accounts I have. Is there a service that obfuscates my EOS and tokens that can tumble or ...
2
votes
1answer
41 views

Is there any possibility to hide account balance or transaction origination?

Imagine I have A and B A transfers tokens to B Is there any possibility to: hide A account balance? hide A EOS account name?
1
vote
1answer
63 views

Private Transactions inside Smart Contract

Is there a way to make some transactions private inside a smart contract? It's needed for a game theoretic model. Like imagine poker on blockchain: you'd like not to reveal cards until some point in ...
1
vote
1answer
75 views

Can EOS assure privacy?

In ethereum (public network), the data is all open access. Functions can be controlled via function modifiers. But anyone can view data stored in the contract. Is this the same in EOS? Once data is ...
1
vote
3answers
118 views

I want to have permissioned data access over eos

Is it possible to have permissioned data access? Suppose I am having a multi_index table and whoever adds data to that table only can access the data because I am having a table storage and one ...
1
vote
1answer
37 views

Has there been any discussion of implementing a privacy layer like zksnarks into EOS?

Ethereum seems to be in discussions of implementing zksnarks. Has there been any talks among EOS devs to integrate a privacy layer as such?
8
votes
2answers
534 views

Encrypting with a public key

I have user specific data in a table on my smart contract that I don't want others to see. Can I encrypt that data with a public key of the user? If possible then how to encrypt that data with the ...