What is the level of security of Altme wallet ?

Altme SSI wallet is self-custodial and protected by military grade encryption and biometrics authentication. Your data are encrypted and stored on your device, enabling better privacy and security.

What does it mean that Altme is “self-custodial” ?

A self-custodial wallet (= non-custodial) means that your data are encrypted and stored on your device. Only you can access your keys, data and assets. Not us. Not anyone else.

Are there any risks related to verifying my address to get a "proof the ownership" in Altme ?

No there is zero risk. You don’t need to share or disclose any passphrase or private keys to get a proof of ownership. All you have to do is scan a QR code with your favorite crypto wallet (address) in order to get the credential that proves you hold the private key of this address. Altme wallet is never connected your crypto wallet.

How does Altme wallet protect my personal information?

Altme is built on Self-Sovereign Identity (SSI) technology which is a new digital identity standard that enables the storage and management of personal information in a decentralized, secure and private way. All your personal information are encrypted and stored in your phone. Only you have the power to share credentials information that are encrypted in your wallet.

Where are my digital credentials stored in Altme ?

Your digital credentials are encrypted and stored on your phone. There is no central database or cloud that stores your data. This is why it is called “self-sovereign identity” (SSI). Only you should own and access your data. 

How do I backup my keys and credentials in Altme ?

To backup your Altme wallet, you need to write down your passphrase and download your digital credentials. It's important to store these in a secure location, such as a password-protected file or a physical safe. If you lose access to your Altme wallet, there is nothing we can do to help you. Altme is self-custodial which means only you can control your keys and your credentials.

What is Self-Sovereign Identity (SSI) ?

Self-Sovereign Identity, or SSI, is a new technology compatible with blockchain that gives users and organizations the ability to control their own digital credentials and identity data, rather than relying on a central authority or central database to manage their personal information. With SSI, users are able to store, manage and share their personal data in a decentralize manner, enabling greater privacy and security. SSI also uses Zero-Knowledge Proof and "Selective Disclosure" to protect users privacy.

What are Verifiable Credentials and why is it useful ?

Verifiable Credentials (VCs) are an open standard for digital claims. They can represent information such as identity card, an Over 18 Proof or a proof of ownership of a crypto address. They have many advantages, including the fact that they are digitally signed, making them tamper-proof, extremely secure and instantly verifiable by a third-party.

How can I use my Altme SSI wallet to manage and share my verifiable credentials?

When you receive a verifiable credential in the Altme wallet, it is added to your digital identity. You can then use this credential to prove your identity or access certain services. For example, you might use a membership credential to access a members-only area of a website, or an "Over 18" proof to access a DeFi application. You can use the “scan” button in Altme to share credentials when it is requested. It’s super easy. Just scan the QR code, and accept the request to share your digital credentials.

What is Zero Knowledge Proof (ZKP) ?

Zero knowledge proof is a type of cryptographic solution that allows one party to prove to another party that they know a certain piece of information, without revealing the actual information itself. For example, verify that an individual is Over 18 without revealing their birthdate.

What is "selective disclosure" ?

Selective disclosure is a way for SSI users to reveal certain pieces of information about their identity, without disclosing sensitive information. It helps increase the security of online interactions. For exemple, reveal that you are "Over 18" without revealing your name or address.