diff --git a/README.md b/README.md
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+++ b/README.md
@@ -7,8 +7,8 @@ Please see the [ILIAS module](https://ilias.unibe.ch/goto.php?target=crs_3102234
 | Blockchain | Organization and Network | Documentation | Testnets | Smart-contract Programming |
 | ------ | ------ | ------ |  ------ | ------ |
 |  Ethereum (ETH)  |  [Ethereum Foundation](https://ethereum.org/)  |  [Ethereum WP](https://ethereum.org/en/whitepaper/);  [Consensus Evolution Blog](https://github.com/ethereum/pos-evolution/blob/master/pos-evolution.md)  |  [List of Testnets](https://www.alchemy.com/list-of/testnets-on-ethereum); [Another list](https://moralis.io/ethereum-testnet-full-ethereum-test-network-guide/)  |  [Tutorial](https://www.web3.university/tracks/create-a-smart-contract/deploy-your-first-smart-contract)  |
-|  Binance Smartchain (BNB)  |  TBD  |  TBD  |  TBD  |  TBD  |
-|  Solana (SOL)  |  TBD  |  TBD  |  TBD  |  TBD  |
+|  <del>Binance Smartchain (BNB)</del>  |  TBD  |  TBD  |  TBD  |  TBD  |
+|  <del>Solana (SOL)</del>  |  TBD  |  TBD  |  TBD  |  TBD  |
 |  XRP Ledger (XRP)  |  [Ripple](https://ripple.com); [XRP Ledger](https://xrpl.org)  |  [Consensus docs](https://xrpl.org/docs/concepts/consensus-protocol); [Research paper](https://doi.org/10.4230/LIPIcs.OPODIS.2020.10)  |    [Testnets](https://xrpl.org/resources/dev-tools/xrp-faucets/)    |    [Hooks](https://xrpl-hooks.readme.io/docs/introduction)    |
 |  Cardano (ADA)  |  [Input-Output](https://iohk.io); [Cardano Foundation](https://cardanofoundation.org/); [Cardano Ecosystem](https://cardano.org/)  |  [Protocol docs](https://docs.cardano.org/about-cardano/new-to-cardano/proof-of-stake/); [Papers](https://docs.cardano.org/about-cardano/explore-more/relevant-research-papers/)  |  [Testnets](https://docs.cardano.org/cardano-testnets/getting-started/)  |  [Introduction](https://developers.cardano.org/docs/smart-contracts/)  |
 |  Avalanche (AVAX)  |  [Ava Labs](https://www.avalabs.org); [AVAX Network](https://www.avax.network/)  |  [Protocol docs](https://docs.avax.network/learn/avalanche-consensus);  [Paper](https://arxiv.org/abs/2401.02811)  |  [Fuji Testnet](https://docs.avax.network/build/subnet/deploy/fuji-testnet-subnet)  |  [Tutorial](https://docs.avax.network/build/dapp/smart-contracts/remix-deploy)  |
@@ -24,6 +24,7 @@ Please see the [ILIAS module](https://ilias.unibe.ch/goto.php?target=crs_3102234
 | Layer-2 Project | Organization and Network | Documentation | Testnets | Programming |
 | ------ | ------ | ------ | ------ | ------ |
 |  Arbitrum (ARB)  |  [Offchain Labs](https://www.offchainlabs.com); [Arbitrum](https://arbitrum.io/)  |  [Academic Paper](https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-kalodner.pdf);  [Whitepaper](https://docs.arbitrum.io/how-arbitrum-works/inside-arbitrum-nitro); [Docs](https://docs.arbitrum.io/)  |  [Local Testnet](https://docs.arbitrum.io/stylus/reference/testnet-information)  |   [Tutorial](https://docs.arbitrum.io/build-decentralized-apps/quickstart-solidity-hardhat)  |
+|  <del>Optimism (OP)</del>  |  [Optimism](https://www.optimism.io)  |  [Specs](https://specs.optimism.io); [Docs](https://docs.optimism.io)  |  [Create testnet](https://docs.optimism.io/builders/chain-operators/tutorials/create-l2-rollup)  |  [OP Stack](https://docs.optimism.io/stack/getting-started)  |
 |  Starknet (STRK)  |  [Starkware](https://starkware.co/stark/); [Starknet](https://www.starknet.io)  |  [Book](https://book.starknet.io/title-page.html); [Docs](https://docs.starknet.io)  |  [Tutorial](https://book.starknet.io/ch01-00-getting-started.html)  |  [Cairo language](https://starkware.co/cairo/)  |
 |  ZkSync (ZK)  |  [Matter Labs](https://matter-labs.io); [ZkSync](https://zksync.io/)  |  [Docs](https://docs.zksync.io); [Quickstart](https://docs.zksync.io/build/)  |  [Testnets](https://docs.zksync.io/ecosystem/network-faucets)  |  [Tutorial](https://docs.zksync.io/build/start-coding/quick-start)  |
 
@@ -34,6 +35,6 @@ Please see the [ILIAS module](https://ilias.unibe.ch/goto.php?target=crs_3102234
 | ------ | ------ | ------ | ------ | ------ | ------ |
 |  Chainlink (LINK) | Oracle Network (Data feeds & CCIP) |  [Chainlink Labs](https://chainlinklabs.com); [Chainlink](https://chain.link/)  |  [Whitepaper](https://research.chain.link/whitepaper-v1.pdf); [Whitepaper 2.0](https://chain.link/whitepaper); [Off-chain Reporting](https://docs.chain.link/architecture-overview/off-chain-reporting); [Data Feeds](https://docs.chain.link/data-feeds); [CCIP](https://docs.chain.link/ccip)  |  [Developer docs](https://docs.chain.link/getting-started/conceptual-overview)  |  [Consuming data feeds](https://docs.chain.link/data-feeds/getting-started); [Sending data with CCIP](https://docs.chain.link/ccip/getting-started) * |
 |  Celestia (TIA)  |  Data Availability Layer  |  [Celestia](https://celestia.org)  |  [Whitepaper](https://arxiv.org/abs/1905.09274); [Fraud proofs and DA proofs](https://arxiv.org/abs/1809.09044); [Run a light node](https://docs.celestia.org/nodes/light-node)  |  [Run a light node](https://celestia.org/run-a-light-node/)  |  Not possible*  |
-|  EigenLayer (future: EIGEN)  |  Re-staking network  |  [EigenLayer](https://www.eigenlayer.xyz/)   |   [Local Testnet](https://medium.com/@ilaNihas/eigenlayer-a-step-by-step-guide-to-testnet-node-setup-e242f4e35344)  |  TBD  |  TBD  |
+|  <del>EigenLayer (future: EIGEN)</del>  |  Restaking, esp. Data Availability  |  [EigenLayer](https://www.eigenlayer.xyz/)  |  [Whitepapers](https://docs.eigenlayer.xyz/eigenlayer/overview/whitepaper); [Docs](https://docs.eigenlayer.xyz)  |  [Local Testnet](https://medium.com/@ilaNihas/eigenlayer-a-step-by-step-guide-to-testnet-node-setup-e242f4e35344)  |  Not possible*  |
 
 *Note: Some of the networks cannot be programmed. Possible projects for those networks will be discussed with the teachers (for example: demonstrate a core functionality).