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Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &

Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &
Key item features Ultimate Security: Generates a private key that remains on the card, safeguarding crypto and NFTs from hackers with EAL6+ certification and audited firmware. Versatile Compatibility: Manages over 13,000 tokens across 70+ blockchains, supporting DeFi, NFTs, and DeEx without wires, Bluetooth, or USB. Effortless Operation: Utilizes NFC for secure transactions via a mobile device and the Tangem app, enabling buying and selling crypto with various payment methods. Smart Backup: Features a second Tangem Wallet as a backup, eliminating the need for paper, pictures, or seed phrases for recovery. Durable Design: Boasts IP68 protection against environmental conditions, ensuring longevity and robust physical security. Comprehensive Support: Compatible with Bitcoin, Ethereum, Solana, XRP, USDT, and over 6,000 cryptocurrencies, integrating with dApps and WalletConnect.

How to run Bitcoin Core as a production RPC Node?

I'm planning to build a wallet service with the following features: Query balance Query transaction history Send transactions I want to self-host a Bitcoin Core Node as my RPC Node. Since this is my first time running a Core Node in a production environment, I'd like to ask: 1.High Availability — Should I run multiple nodes for failover? What's the recommended setup? 2.Monitoring & Sync — How do I monitor whether my node is properly synced? Are there any recommended tools or metrics? Also, is block lag completely unacceptable for a wallet service, or is there a tolerable range? 3.General best practices — What does the community recommend for running a Bitcoin Core RPC Node in production? Any advice or recommended tools would be appreciated. Thanks! from Recent Questions - Bitcoin Stack Exchange https://ift.tt/VGHy1nk via IFTTT

LBANK

How Can Fintech Startups Actually Launch a White Label Crypto Bank Without Building from Scratch?

I have been working alongside several fintech founders lately, and one question keeps surfacing in nearly every conversation. How do you build a fully functional crypto bank in 2026 without spending two years and several million dollars doing it? The honest answer that most people are not discussing openly is white label infrastructure. And before anyone dismisses this as a shortcut, let me explain why it is actually the smarter, more strategic route for almost every type of company entering this space right now. A white label crypto bank is not a stripped-down product. The best solutions available today include full digital banking modules — IBAN accounts, card issuance, stablecoin settlement, real-time transaction monitoring, multi-chain wallet integration, compliance modules like KYC, AML, Travel Rule, and zKYC, and even treasury management for enterprise clients. These are not prototypes. These are production-ready systems built and tested at scale. The real differe...

Does a softfork always succeed?

In 2026 there are multiple softforks under discussion and especially proponents of one softfork proposal are claiming that a softfork attempt always succeeds unless it is actively opposed, even if the softfork only has support of a minority of the hashrate. Is it true that a softfork attempt will always succeed? from Recent Questions - Bitcoin Stack Exchange https://ift.tt/S9KIxvE via IFTTT

How to set up Bitcoin Core to mine a valid block after the BIP-110 activation in August 2026?

I want to set up the latest Bitcoin Core version to mine a block that is valid after the BIP-110 is activated (two months from now). What are the steps to do at minimum? I want to make sure that a block is not rejected by the Bitcoin P2P network. BIP-110 specification: https://github.com/bitcoin/bips/blob/master/bip-0110.mediawiki from Recent Questions - Bitcoin Stack Exchange https://ift.tt/PpcVdRX via IFTTT

Does a lender profit when repayment occurs during a ₿ exchange rate decline?

Say I sent my friend 1₿ at the rate of $70k/₿ and he repays me back when the exchange rate is $60k/₿. Do I make a profit? from Recent Questions - Bitcoin Stack Exchange https://ift.tt/yuvEZlf via IFTTT

How do I restore a wallet from a mnemonic seed with utreexoctl?

How do I restore a wallet from a mnemonic seed with utreexoctl ? utreexoctl createwallet false false does not seem to give me such an option. I've also looked for the command to do this job in the output of utreexoctl -l but have not found anything in it. P.S. I use downloaded binaries from their latest release (version `0.5.2) and thus may not have access to all the tools from the repo. from Recent Questions - Bitcoin Stack Exchange https://ift.tt/eMZUs0d via IFTTT

Where are inner null bytes valid in p2p messages

P2P messages use null bytes as padding when the field size is larger than the content. For example, a command field is interpreted as 12 byte ASCII, so the version command is typically as follows: version\0\0\0\0\0 My question is, is it also valid to have inner null bytes? eg: ver\0sion\0\0\0\0 Some protocol applications I notice treat inner null bytes as valid, which seems mistaken. from Recent Questions - Bitcoin Stack Exchange https://ift.tt/f9tWTbN via IFTTT