---
title: "Discussion on \"General Congestion Attack on HTLC-Based Payment Channel Networks\" | Hashnode"
description: "Discussion on \"General Congestion Attack on HTLC-Based Payment Channel Networks\". Abstract\nPayment Channel Networks (PCNs) have been a promising approach to scale blockchains. However, PCNs have limited liquidity: large-amount or multi-hop payments may fail. The major threat of PCNs liquidity is payment griefing, where the adversa..."
url: "https://hashnode.com/posts/general-congestion-attack-on-htlc-based-payment-channel-networks/62ba68edf2e6c7d70c125038"
---

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# [General Congestion Attack on HTLC-Based Payment Channel Networks](https://blog.cryptape.com/general-congestion-attack-on-htlc-based-payment-channel-networks?utm_source=hashnode&utm_medium=feed)

Abstract Payment Channel Networks (PCNs) have been a promising approach to scale blockchains. However, PCNs have limited liquidity: large-amount or multi-hop payments may fail. The major threat of PCNs liquidity is payment griefing, where the adversa...

Jun 28, 2022 · 2 min read · blog.cryptape.com  
Updated Aug 21, 2023  
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