Discreet Log Contracts

Settlement of Election DLC

On September 8th 2020 Nicolas Dorier and I (Chris Stewart) entered into a Discreet Log Contract predicated on the outcome of the US presidential election. I wagered 0.6 BTC on “Democrat_win”, while Nicolas Dorier wagered 0.4BTC on “Republican_win”. The total …

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PTLC Proof of Concept

We have written quite extensively about Point-Time-Locked-Contracts (PTLCs) in the past. PTLCs are an upgrade to the existing payment mechanism on the Lightning Network called Hash Time Locked Contracts (HTLCs). If you would like to learn more about PTLCs please …

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Discreet Log Contracts

Transferring In-Channel Lightning DLCs

Transferability of Discreet Log Contracts (DLCs) is of major interest due to the capital inefficiency inherent to contracts which do not rely on custody or counter-party trust. In other words, DLCs require all parties to lock up the maximum collateral …

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Suredbits Lightning Network

DLC Key Management Pt 3: Oracle Public Key Distribution

Discreet Log Contracts enable non-custodial speculation directly on top of the bitcoin blockchain. When protocols are non-custodial, it’s important for users to understand how private keys are handled for the duration of their interaction with the protocol. This blog post …

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DLC Private Key Management Part 2: The Oracle’s private keys

Oracle Private Key Management Discreet Log Contracts enable non-custodial speculation directly on top of the bitcoin blockchain. When protocols are non-custodial, it’s important for users to understand how private keys are handled for the duration of their interaction with the …

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Suredbits Lightning Network

DLC Private Key Management Part 1

Discreet Log Contracts enable non-custodial speculation directly on top of the bitcoin blockchain. When protocols are non-custodial, it’s important for users to understand how private keys are handled in the protocol. With DLCs, there is the potential for millions of …

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Schnorr Series Summary

Y’all asked for a high-level, no math, summary of the Schnorr Signature Series and so here you are! If this piques your interest and you are willing/excited to learn some math, check out the series: What are Schnorr Signatures – …

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The Taproot Upgrade

So far in this series we have discussed Schnorr Digital Signatures, their security, and their many variants and benefits. As you may know, Schnorr signatures are going to be introduced to the Bitcoin blockchain using a softfork known as Taproot. …

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Suredbits Lightning Map

Schnorr Applications: Blind Signatures

In this post we will be discussing one final Schnorr scheme: Blind Signatures. As their name suggests, a Schnorr Blind Signature is a signature where the signer does not know what they have signed. It may be hard to imagine …

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