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"Zk Power Shield." How Zk-Snarks Shield Your Ip As Well As Identity From The Outside World
Since the beginning, privacy tools employ a strategy of "hiding within the crowd." VPNs send you to another server. Tor moves you through multiple nodes. While they are useful, they disguise the root of the problem by shifting it and not by showing it doesn't need to be revealed. zk-SNARKs (Zero-Knowledge Succinct, Non-Interactive Arguments of Knowledge) introduce a fundamentally different paradigm: you can prove you are authorized to do something without divulging who the authorized person they are. In Z-Text, this means the ability to broadcast messages through the BitcoinZ blockchain, and the Blockchain can determine that you're an authorized participant who has legitimate shielded accounts, however it's not able to identify which particular address broadcast it. Your identity, IP that you are a part of the exchange becomes unknowable mathematically to anyone watching the conversation, and yet is deemed to be valid by the protocol.
1. The dissolution of the Sender-Recipient Link
In traditional messaging, despite encryption, makes it clear that there is a connection. Anyone who is watching can discern "Alice is chatting with Bob." zk-SNARKs completely break this link. When Z-Text sends out a shielded message an zk proof confirms there is a valid transaction--that's right, the sender's balance is adequate and correct keys. This is done without disclosing addresses of the sender and the recipient's address. From the outside, the transaction is viewed as encrypted noise signal coming directly from the network, it is not originating from any individual participant. The relationship between two humans becomes computationally unattainable to determine.

2. IP Security of Addresses at the Protocol Level, not the Application Level.
VPNs and Tor provide protection for your IP by routing your traffic through intermediaries. However, those intermediaries can become points of trust. Z-Text's use for zk SARKs signifies your IP is never material in the verification process. Once you send your shielded message to the BitcoinZ peer-tos-peer network, you can be one of thousands of nodes. Zk-proof guarantees that, even observers are watching network traffic, they cannot link the messages received to the particular wallet that generated it, since the confirmation doesn't include the information. In other words, the IP will be ignored.

3. The Elimination of the "Viewing Key" Conundrum
In most blockchain privacy systems, you have"viewing key "viewing key" which can be used to decrypt transaction details. Zk-SNARKs as used in Zcash's Sapling protocol which is employed by Ztext, permit selective disclosure. One can show they sent you a message and not reveal your IP address, your previous transactions, or even the full content of the message. The evidence itself is solely you can share. This granular control is impossible in IP-based systems as revealing messages automatically reveal the location of the source.

4. Mathematical Anonymity Sets That Scale Globally
In a mixing service or a VPN that you use, your privacy is limited to the other users from that pool that exact time. In zkSARKs, your security secured is each shielded address of the BitcoinZ blockchain. Since the certificate proves this sender belongs to a shielded address in the millions of addresses, yet gives no suggestion of which one. Your privacy is as broad as the network. You're not a secretive member of any one of your peers and strangers, but rather in a vast number of cryptographic identities.

5. Resistance to Timing Analysis and Timing attacks
Sophisticated adversaries don't just read the IP address, but they analyse the traffic patterns. They examine who has sent data when and correlate times. Z-Text's zk:SNARKs feature, coupled with a mempool of blockchain can allow for the dissociation of activity from broadcast. You may create a valid proof offline and then broadcast it when a server is ready to send the proof. The proof's time stamp presence in a bloc is inconsistent with the day you built it, abusing timing analysis, which typically hinders the use of simpler anonymity techniques.

6. Quantum Resistance Through Secret Keys
IP addresses cannot be quantum-resistant If an attacker is able to track your online activity now as well as later snoop through the encryption that they have, they are able to link them to you. Zk - SNARKs, like those used within Z-Text are able to protect the keys of your own. Your public keys are never listed on the blockchain as it is proof that proves you are the owner of the key without the need to display it. The quantum computer, when it comes to the future would observe only the proof which is not the real key. Your private communications in the past are protected due to the fact that the code used to identify them was not revealed to be cracked.

7. Inexplicably linked identities across multiple conversations
By using a single seed for your wallet, you can generate multiple shielded addresses. Zk'sARKs make it possible to prove that you've got one of these addresses, without divulging the one you own. That means that you could have to have ten conversations with ten other people. However, no one else, including the blockchain itself, could be able to link these conversations back to the similar wallet seed. The social graph of your network is mathematically fragmented by design.

8. The Abrogation of Metadata as an Attack Surface
Security experts and regulators frequently say "we don't even need the contents or the metadata." The IP address is metadata. Who you talk to is metadata. Zk-SNARKs stand out among privacy technologies because they hide metadata at the cryptographic level. Transactions themselves are not populated with "from" and "to" fields, which are in plain text. There's no metadata attached to provide a subpoena. All you need is document, and it shows only that a legitimate event occurred, and not the parties.

9. Trustless Broadcasting Through the P2P Network
When you sign up for an VPN you are able to trust the VPN provider to not log. When you use Tor as a VPN, you trust that an exit node that it will not observe. Utilizing ZText, it broadcasts transactions that are zk-proofed to the BitcoinZ peer-to-peer network. You connect to a few randomly-connected nodes, then send the data, and then you disconnect. These nodes do not learn anything since this proof doesn't show anything. You cannot be sure that you're who initiated the idea, since you may be providing information to someone else. The network can become a reliable provider of personal information.

10. The Philosophical Leap: Privacy Without Obfuscation
Furthermore, zk's SARKs provide something of a philosophical shift away from "hiding" from "proving that you are not revealing." Obfuscation technologies accept that the truth (your IP, your personal information) can be dangerous and needs to be kept secret. ZkSARKs realize that the fact does not matter. All the protocol has to do is be aware that it is legitimately authorized. Moving from a reactive concealing towards proactive non-relevance is at central to the ZK-powered protection. Your identity, IP address and location is not hidden; they can be used for any functions of the network so they're not requested either transmitted, shared, or revealed. See the best wallet for blog advice including messenger to download, encrypted in messenger, encrypted messaging app, message of the text, private message app, instant messaging app, encrypted in messenger, encrypted app, message of the text, encrypted messages on messenger and more.



"The Mutual Handshake: Rebuilding Digital Trust in the Zero-Trust World
The Internet was created on the foundation of an implicit connection. Anyone can email anyone. Anybody can follow anyone on social media. This transparency, although valuable was a source of trust. Fraud, spyware as well as harassment are all indications of a system for which there is no need for authorization. Z-Text alters the assumption by using the reciprocal cryptographic handshake. Before a single bit of information can flow between two different parties they must both agree to the connection, and that agreement is sealed by the blockchain and verified by Z-SNARKs. This simple act--requiring mutual consent in the form of a protocol--builds faith from the ground up. It is similar to what happens in the physical world as you can't speak to me until I've acknowledged my presence while I'm unable to talk to you until your acknowledgement of me. When we live in a time of zero credibility, the handshake becomes the mainstay of any communications.
1. The Handshake as a Cryptographic Ceremony
For Z-Text users, handshake cannot be a simple "add contact" button. It's a cryptographic process. Part A initiates a link request that contains their public number and an temporary ephemeral address. Party B gets this request (likely from outside the band or via a published post) and responds with an acceptance and includes their own public key. Both parties then independently derive the secret shared by both parties that creates the communication channel. This ceremony ensures that each party has actively taken part in the process and that there is no way for a man-in-the-mi be detected.

2. "The Death of the Public Directory
Spam can be found because email addresses and phone numbers belong to public directories. Z-Text doesn't have any public directories. Your Z-address will never be published to the blockchain. It is hidden behind shielded transaction. The potential partner must know something about you--your public identity, a QR code, a shared personal secret to be able to make the handshake. There is no search function. This eliminates the primary vector for unintentional contact. You are not able to spam an address you cannot find.

3. Consent is a Protocol It is not Policy
For centralized applications, consent can be a rule. If you want to stop someone, that person has contacted you, but they've already infiltrated your mailbox. With Z-Text, the consent mechanism is integrated into the protocol. Any message that is sent out must have prior handshake. The handshake itself serves as a null proof that the sides have signed the agreement. This means that the protocol enforces consent rather than merely allowing you to react upon its violation. The entire architecture is considered respectful.

4. The Handshake as a Shielded Event
Since Z-Text makes use of zk-SNARKs even it is a private handshake. When you accept a connection to another party, the exchange is shielded. Any person watching can't tell you and another person have been able to establish a relationship. Your social graph grows invisibly. The handshake is conducted in cryptographic blackness that is only visible to one or both of them. This is different from LinkedIn or Facebook the latter, where each interaction is broadcast.

5. Reputation without Identity
How can you determine who you can shake hands with? Z-Text's model allows for the rise of reputation-based systems that depend on no-disclosure of the identity of an individual. Since connections are not public, you may receive a handshake request from someone who shares one of your contacts. This common contact may be able to vouch for them through a cryptographic attestation without ever revealing who each of you is. Trust becomes transitive and zero-knowledge: you can trust someone as long as someone you trust trusts they are trustworthy, and you never learn their name.

6. The Handshake is a Spam Pre-Filter
Even with the handshake requirement A determined spammer may be able to request thousands or more handshakes. Yet each handshake request just like every other message, needs an additional micro-fee. Now, the spammer faces the same problem of economics at connecting stage. A million handshakes cost 30000 dollars. Although they may pay but they'll require you as a signer to acknowledge. In addition to the fee for handshakes, micro-fees can create the double challenge of economics which means that mass outreach is financially irresponsible.

7. Repair and Transferability of Relationships
When you restore your Z-Text name from the seed phrase it will restore your contacts also. But how does the application learn who your contacts really are absent a central server? The handshake protocol creates a minimal, encrypted record to the blockchain--a note that it is possible to establish a connection between two accounts that have been shielded. Once you restore, your wallet scans for these handshake notes and creates a new contact list. Your social graph is stored in the blockchain system, however it is it is only accessible to you. Your contacts are as portable as the funds you have.

8. The handshake is a quantum-safe Engagement
The reciprocal handshake creates a common secret among two parties. This secret can be used to determine keys needed for subsequent conversations. Because handshakes are a shielded event that never reveals public keys, it cannot be decrypted by quantum. An adversary cannot later crack the handshake to discover what the relationship was because the handshake didn't reveal any key public. The handshake is a permanent commitment, however, it is not visible.

9. Revocation and the Handshake that is not signed.
Insecure trust is easily broken. Z-Text permits an "un-handshake"--a security measure that can be used to rescind the link. If you are able to block someone's account, your wallet announces a "revocation" certificate. The proof informs system that any future messages sent by the person you block should be discarded. Due to the fact that it's on-chain the denial is permanent, and can't be disregarded by clients of either party. This handshake is undoable however, it's just as binding and enforceable as the original contract.

10. The Social Graph as Private Property
And lastly, the handshake redefines who owns your social graph. If you're on a centralized network, Facebook or WhatsApp manage the graph of what people communicate with who. They analyze it, mine this data and make it available for purchase. On ZText, the social graph is protected and saved on a blockchain. The information is read only by the individual who is using it. Your company is not the owner of the map of your friendships. The handshake ensures that the single record of your interaction is kept by you and the contact you have made, and is cryptographically secured from outside interference. Your network belongs to you which is not the property of any corporation.