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.

LBANK

LBANK

How to avoid a force closure of a channel in the future

On May 14th our channel with LNBIG-42 was force closed and has only returned to the wallet minus some fees a few days ago.

https://mempool.space/tx/c75f38d1a86b0878d2b38198c17683cd4b6a10e2eea2d031ec085e25d1862149#vout=1

From what others are telling me it was most likely due to an expired HTLC which likely caused the automatic force closure as per the default settings in the relevant lightning implementation.

HTLC relay failure leading to node downtime seems to be the cause, but it is hard to say what specifically about your node setup and channels may have been vulnerable to this situation.

Also mentioned, it is possible the remote channel was misbehaving in some way. This is why until you can be certain that you are avoiding all related vulnerabilities you should not open channels with lots of unknown people especially not with questionable reputation.

Can you please tell me if I can raise the default HTLC settings on my node to hopefully avoid this happening again? Maybe using RTL or Thunderhub? Since it was not our side of the channel that initiated the force close why did we get charged fees?

Thank you for any assistance you are able to offer.

Orange



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