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    Hi, I'm Lagrange


    Physicist, C++ programmer, Bitcoin maximalist
    • Renepay II

      Combining Fees and Uncertainty Cost (part 1)

      Posted on November 8, 2023

      Introduction [Read More]
      Tags:
      • bitcoin
      • lightning
    • Renepay I

      Linearization of the Cost Function

      Posted on October 28, 2023

      Since version v23.08 core-lightning [1] comes with an implementation of Pickhardt-Richter algorithm for payment routings in the lightning network. This comes in the form a new plugin called renepay. [Read More]
      Tags:
      • bitcoin
      • lightning
    • Bitcoin Mining

      A theoretical description

      Posted on October 1, 2023

      Mining is at the heart of the Bitcoin protocol. Is the mining that ensures concensus on the set of rules that define Bitcoin. Today I would like to review the theoretical basis of mining, in order to answer practical questions such as: what’s the probability of mining a block considering... [Read More]
      Tags:
      • bitcoin
    • Summer of Bitcoin 2022

      Efficient Min Convex Cost Flow Solver for Lightning Network Payment Delivery

      Posted on August 25, 2022

      This year I took part in Summer of Bitcoin (SoB) [1], which is an online intership aimed at university students to promote bitcoin open source development. My contribution was a project called Efficient Min Convex Cost Flow Solver for Lightning Network Payment Delivery, proposing the design and implementation of a... [Read More]
      Tags:
      • bitcoin
    • Pickhardt payments in the Lightning Network

      A review of Pickhardt-Richter paper

      Posted on August 19, 2022

      Payments in the Lightning Network (LN) are performed along paths (ie. a sequence of channels) from the sender to the recipient. In this process one must take into account two aspects: the sender must pay a fee to every node who must forward the payment on his behalf; a node... [Read More]
      Tags:
      • bitcoin
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    Lagrange  •  2023

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