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A Monero transaction key is a unique cryptographic key created for each transaction. It lets you prove a payment was sent to a specific Monero address without breaking Monero’s privacy. If you don’t save your transaction key, you can’t recover it later. Edge makes it super easy to always... show more

Bri Teresi

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34,722 views • 10 months ago •via X (Twitter)

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Cycles Pay is the first privacy-preserving crypto payment app for businesses. This is possible because of few specific design choices: First, the private keys stay on your mobile device. User actions are cryptographically signed by your private key before being submitted on-chain. The financial data is encrypted with that key and doesn’t leave your mobile device. Second, Cycles Pay uses a shielded pool to hide account balances on-chain. They are tracked as encrypted commitments and no one can see the underlying amounts or participants. Third, when you make a payment, a ZK proof is generated and verified on-chain to confirm the transaction is valid without revealing the amount or the counterparty. Users get blockchain integrity without exposing the transaction details.

Cycles Pay is the first privacy-preserving crypto payment app for businesses. This is possible because of few specific design choices: First, the private keys stay on your mobile device. User actions are cryptographically signed by your private key before being submitted on-chain. The financial data is encrypted with that key and doesn’t leave your mobile device. Second, Cycles Pay uses a shielded pool to hide account balances on-chain. They are tracked as encrypted commitments and no one can see the underlying amounts or participants. Third, when you make a payment, a ZK proof is generated and verified on-chain to confirm the transaction is valid without revealing the amount or the counterparty. Users get blockchain integrity without exposing the transaction details.

Cycles

13,694 views • 5 months ago

If a transaction doesn't go as expected, it helps to know what to do next. With Transaction Dispute, you can raise an issue directly on your PalmPay app. Update your app and find Transaction Dispute in your Security Centre.

If a transaction doesn't go as expected, it helps to know what to do next. With Transaction Dispute, you can raise an issue directly on your PalmPay app. Update your app and find Transaction Dispute in your Security Centre.

PalmPay Nigeria

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You can now manage Aleo natively through Ledger Wallet™. Most blockchains work like a public noticeboard where every transaction is visible to anyone. Aleo lets you choose whether a transaction is public or private, powered by zero-knowledge proofs. Aleo provides the privacy layer, and Ledger ensures you hold the keys securely in your hands alone. Free from compromise 🔐

You can now manage Aleo natively through Ledger Wallet™. Most blockchains work like a public noticeboard where every transaction is visible to anyone. Aleo lets you choose whether a transaction is public or private, powered by zero-knowledge proofs. Aleo provides the privacy layer, and Ledger ensures you hold the keys securely in your hands alone. Free from compromise 🔐

Ledger

18,739 views • 5 months ago

This is very concerning - New key making machines scan your keys digitally and create a profile - You can opt to have it save your key so you can access it again in the future - Then you pay for your key with your credit card - This means this system has a virtual copy of your key and your credit card information, meaning they can get your address If a data leak or bad actors were involved it would be incredibly easy for someone to get your address, make a key and do whatever they’re going to do Not all technology is progress, some is dangerous

Wall Street Apes

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First Ever Trezor Safe 7 signing and sending a Monero Transaction. Coming to The Monero One Wallet sooner than you think. @trezor

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Joe IO

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just shipped the new onekey developer center. if you’re building with ai agents, take a look. the agent prepares the transaction, you check it on your onekey and decide whether to sign. no need to give it your keys.

just shipped the new onekey developer center. if you’re building with ai agents, take a look. the agent prepares the transaction, you check it on your onekey and decide whether to sign. no need to give it your keys.

Yishi

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1,000,000 payments per second. Live on Solana today with Payment Channels. "Think of it like a bar tab or a prepaid meter: you put money down up front, run up usage without paying for each transaction, and settle payment once when you leave."

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143,204 views • 2 months ago

What a successful transaction… if you don’t get it forget about it 😌

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What a successful transaction… if you don’t get it forget about it 😌

valking ♔

801,382 views • 1 year ago

The Transaction Manifest could have saved users millions of dollars from blind-signing their assets away to scammers. It offers human-readable transactions so you will always know what your transaction is going to do. To a user, it looks like this, with each action presented clearly visible in human-readable language ⤵️

The Transaction Manifest could have saved users millions of dollars from blind-signing their assets away to scammers. It offers human-readable transactions so you will always know what your transaction is going to do. To a user, it looks like this, with each action presented clearly visible in human-readable language ⤵️

Radix - Radically Different DeFi

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Your bank gives you proof of payment. Your crypto wallet gives you a hash. near.com now gives you both. Download a signed Proof of Transaction PDF. Anyone can verify it. No account needed. We’re building the best modern financial app, hands down.

Your bank gives you proof of payment. Your crypto wallet gives you a hash. near.com now gives you both. Download a signed Proof of Transaction PDF. Anyone can verify it. No account needed. We’re building the best modern financial app, hands down.

Matt Henderson | near.com

40,438 views • 1 month ago

Starving at a restaurant with a Bitcoin ATM Yet they don’t accept it, so you have to wait for your Bitcoin transaction to process before you can order.

Starving at a restaurant with a Bitcoin ATM Yet they don’t accept it, so you have to wait for your Bitcoin transaction to process before you can order.

Hector Lopez

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Transaction Check with Ledger Wallet: meet real-time threat detection for your Ethereum. Every time you want to sign a transaction, it scans to flag potential threats. An additional layer of security so you remain free from compromise 🔒

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Ledger

25,535 views • 2 months ago

Transaction Check with Ledger Wallet: meet real-time threat detection for your Ethereum. Every time you want to sign a transaction, it scans to flag potential threats. An additional layer of security so you remain free from compromise 🔒

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Ledger

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Introducing The Nomba Mini, your pocket-sized payment padi! This POS terminal is reliable, affordable, has lower transaction charges and offers your business fast & convenient payment collection. Also, you don’t need to connect a phone to the Nomba Mini, it works by itself. Sounds like a perfect package, right? Visit to get started now.

Introducing The Nomba Mini, your pocket-sized payment padi! This POS terminal is reliable, affordable, has lower transaction charges and offers your business fast & convenient payment collection. Also, you don’t need to connect a phone to the Nomba Mini, it works by itself. Sounds like a perfect package, right? Visit to get started now.

nomba

23,073 views • 3 years ago

You can't pretend you care about security if you are still sharing API tokens in .env files or sharing SSH keys. This might be good enough to provide simple access to a resource, but it's a horrible way to do security when it really matters. Look into "Identity-Based Access". The state of the art today is Identity-Based Access. With traditional security, you have to present a key to get access to the resource (an API key, a password, or an SSH key). These are long-lived keys you need to keep secret somehow. If somebody steals your key, they become you and get the same access you had. With Identity-Based Access, you need to prove who you are instead. If you are a human, you can prove this with a passkey, SSO with Google or GitHub, or Multi-Factor Authentication. If you are a computer, you can use AWS IAM, Kubernetes, a cloud service account, or any other trusted environment. Once the system verifies your identity, it checks your permissions and gives you a short-lived credential. Prove identity → Permissions → Short-lived credential → Access The difference here is huge, because those credentials are: • Short-lived • Tied to a specific identity • Scoped to specific permissions • Automatically expired • Much easier to audit In practice, implementing this is as simple as integrating with Teleport, which will handle everything for you. Here is a full explanation of how Teleport works and how you can start using it: Thanks to the Teleport team for partnering with me on this post.

You can't pretend you care about security if you are still sharing API tokens in .env files or sharing SSH keys. This might be good enough to provide simple access to a resource, but it's a horrible way to do security when it really matters. Look into "Identity-Based Access". The state of the art today is Identity-Based Access. With traditional security, you have to present a key to get access to the resource (an API key, a password, or an SSH key). These are long-lived keys you need to keep secret somehow. If somebody steals your key, they become you and get the same access you had. With Identity-Based Access, you need to prove who you are instead. If you are a human, you can prove this with a passkey, SSO with Google or GitHub, or Multi-Factor Authentication. If you are a computer, you can use AWS IAM, Kubernetes, a cloud service account, or any other trusted environment. Once the system verifies your identity, it checks your permissions and gives you a short-lived credential. Prove identity → Permissions → Short-lived credential → Access The difference here is huge, because those credentials are: • Short-lived • Tied to a specific identity • Scoped to specific permissions • Automatically expired • Much easier to audit In practice, implementing this is as simple as integrating with Teleport, which will handle everything for you. Here is a full explanation of how Teleport works and how you can start using it: Thanks to the Teleport team for partnering with me on this post.

Santiago

20,971 views • 2 months ago

UTXO Management is the handling of UTXOs ( UNSPENT TRANSACTION OUTPUT) by consolidating them or splitting them. WHY? ➽ To increase transaction efficiency ➽ To reduce transaction fees. ➽ To help you stay away from unspendable utxos during mint. How to merge your UTXOs How to split your UTXOs Using Satonomy

UTXO Management is the handling of UTXOs ( UNSPENT TRANSACTION OUTPUT) by consolidating them or splitting them. WHY? ➽ To increase transaction efficiency ➽ To reduce transaction fees. ➽ To help you stay away from unspendable utxos during mint. How to merge your UTXOs How to split your UTXOs Using Satonomy

7 (Barbra)

40,916 views • 2 years ago

If an app charges you a fee, your money is loving value. Move to Divest to enjoy zero transaction fees.

If an app charges you a fee, your money is loving value. Move to Divest to enjoy zero transaction fees.

Divest | Crypto to Cash | Private Banking

13,700,868 views • 8 months ago

I'm giving a quick example for signing with #Kadena Spirekey. First, you create a Transaction; then it sends you off to sign; then, upon return, our site has to handle sending the transaction and the status of success/failure. Sends and spends your $KDA all the same. Next up I want to try embedding the signing without ever leaving the site.

I'm giving a quick example for signing with #Kadena Spirekey. First, you create a Transaction; then it sends you off to sign; then, upon return, our site has to handle sending the transaction and the status of success/failure. Sends and spends your $KDA all the same. Next up I want to try embedding the signing without ever leaving the site.

Amir

13,138 views • 2 years ago

What should your hardware wallet show you? When you sign a transaction or a message, what is the information you NEED to verify what you're signing is correct? If you don't know, you must watch this, and/or read this thread. 👇

What should your hardware wallet show you? When you sign a transaction or a message, what is the information you NEED to verify what you're signing is correct? If you don't know, you must watch this, and/or read this thread. 👇

Patrick Collins

16,007 views • 1 year ago