### COSIC WEEKEND 2024 (April 26-28) **Location:** Les Gîtes du Chaffour, Rue du Chenal 40, La Reid (Theux) **Map:** [OpenStreetMap](https://www.openstreetmap.org/node/10739398700) --- ### Friday, April 26 | Time | Activity | |-------------|------------------------| | 17:00 | Departure for the event| | 19:00 | Dinner: Chicken and Fries| | 20:30 | Boardgames | --- ### Saturday, April 27 | Time | Activity | |-------------|------------------------| | 9:00 | Breakfast: Pancakes and Baguette | | 12:00 | Lunch | | 14:00 | Afternoon Activities (choose one): Karting, Hiking, or Tennis (info below) 18:00 | BBQ + Quiz| **Karting** We will try to book at the [Experience Factory](http://www.experience-factory.com/eupen). This is a 30min drive from the villa and should cost around €50. **Hiking** The hiking route follows the Ninglinspo river downstream until it reaches the Amblève, after which we go back up through the forest to the Château du Haut Marais. **Tennis** There are 2 tennis courts close to the villa. They charge €10/hour. Reservation required. **Croquet** €4/person, reservation required. --- ### Sunday, April 28 | Time | Activity | |-------------|--------------------------------| | 8:00 AM | Breakfast | | 10:00 AM | Departure from the house | | After Departure | Optional: Visit the Chocolate Museum or visit Verviers | **Chocolate Museum** We propose a detour to Verviers for lunch on the way back with an optional visit to the [Darcis chocolate museum](https://darcis.com/musee/). The museum opens at 13h and costs €8 (€6 for groups of at least 10). --- ### Additional Notes: - **What to Bring:** - Please bring your own linen, bedsheets and towels. - Ensure you have comfortable hiking shoes if you plan to hike. The times for the activities on Saturday afternoon and the optional activities after departure on Sunday are flexible and depend on group preferences and logistics. ### Public Transport Options to Les Gîtes du Chaffour From Liège-Guillemins: * **Route A (preferred):** 1. Take IC direction Gouvy/Luxembourg to Aywaille (1/h, takes ~35min). 2. Bus 465 direction La Reid, descend at stop "Maison Communale" (next-to-last one) ([irregular schedule](https://www.letec.be/Planning/DownloadDocument/13720?DocName=Nouveaux%20horaires%20durant%20les%20travaux%20%C3%A0%20partir%20du%2028%20ao%C3%BBt%20202), takes ~20min). 3. From the "Maison Communale" bus stop, it's a short walk north to Les Gîtes du Chaffour. * **Route B:** 1. Take a train to Pepinster: - IC direction Eupen/Welkenraedt (also calls at Leuven!) (varies but often 1/h, takes ~40min from LG). - S41 direction Aachen (1/h, takes ~1h). 2. Take L-train direction Spa-Geronstère, descend at Franchimont. 3. Cycle/walk/hitch a ride/... (takes ~1h on foot): - N62 Chaussée de Spa (dir. Spa) for ~1.6km. - Turn right into Rue Le Thûron, for ~3km. - Turn right into Rue du Chenal, for ~100m. - Alternatively: take bus 388 at Verviers, Pepinster, Theux or Spa (cf. trains above), it has a [very sparse schedule to La Reid Maison Communale](https://www.letec.be/Planning/DownloadDocument/13364?DocName=Nouveaux%20horaires%20%C3%A0%20partir%20du%201/02/23) though.
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Kevin Bogner
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Kevin Bogner - Ethereum Core Development

I embarked on my journey into the core development of Ethereum in October 2022. Initially, I participated in the third cohort of the Ethereum Protocol Fellowship (EPF) until March 2023. During this time, I dedicated my efforts to the consensus_client_reward_APIs project. Following that, I received a grant from the Ethereum Foundation, which allowed me to devote my attention to prototyping EIP-6110 in Lighthouse from March 2023 to July 2023.

7/17/2023
Consensus client reward APIs

Motivation Develop APIs that provide detailed reward data for Ethereum validators. beaconcha.in rewards Goal Provide data on rewards paid to the validators broken down for each of their duties: attestation_rewards block_rewards

3/3/2023
Consensus client reward APIs

This project aims to develop APIs that provide detailed reward data for Ethereum validators. The APIs will allow clients to access information regarding the amount of rewards earned for their duties and will enhance transparency in the consensus process. Prior to the development of this project, there was a lack of publicly available APIs that could accurately calculate the rewards paid to validators, hindering the development of essential tools such as block explorers and graphical user interfaces. By developing reliable and comprehensive APIs, this project aims to promote further research on the economic incentives of consensus networks and facilitate the design and operation of blockchain systems. For more information, see the project document. Overview The Ethereum beacon-APIs are a collection of generic RESTful APIs designed to enhance interoperability across beacon node implementations. The new APIs for this project, attestation, block, and sync_committee, can be found here. As part of this project, these three APIs were designed to provide information on rewards earned by validators for their respective duties. These APIs enable clients to obtain detailed information on the rewards earned by each validator, enhancing transparency in the consensus process. Now that the new APIs have been proposed and accepted, they were implemented in Lighthouse. This integration allows the APIs to be used by clients running Lighthouse and enables easy access to reward data for each validator.

3/3/2023
Dev Update #15

:heavy_check_mark: https://github.com/mkalinin/eth2.0-specs/blob/deposits/specs/eip6110/beacon-chain.md#preset https://github.com/kevinbogner/lighthouse/blob/336dc9244465a7abea5f17b9b60834d66da1199a/consensus/types/src/eth_spec.rs#L281-L283 :heavy_check_mark: https://github.com/mkalinin/eth2.0-specs/blob/deposits/specs/eip6110/beacon-chain.md#new-containers

2/19/2023
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