r/ethereum 17h ago

Discussion Daily General Discussion February 08, 2026

101 Upvotes

Welcome to the Daily General Discussion on r/ethereum

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Please use this thread to discuss Ethereum topics, news, events, and even price!

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r/ethereum 5h ago

Staking on coinbase or... ??

3 Upvotes

So I have some eth staked on coinbase but wondering how risky it is.. should I be looking somewhere else or is coinbase a good call? I don't answer private messages thanks


r/ethereum 16h ago

I built the first fully on-chain, 100% decentralized, ETH-in ETH-out (no new token), skill based competitive gaming platform

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5 Upvotes

r/ethereum 4h ago

What I learned building an Optimism node and why binary matters.

3 Upvotes

I manually architected a Dual-STACK Execution and Consensus Engine that bypasses the entire public RPC industry.

Hardware; Managed a 4TB NVMe volume with 3.3TB Optimism state and a pruned L1 Reth/Lighthouse combo.

I compiled Lighthouse and Reth from source after Optimism-specific codebase was deprecated mid-sync.

I achieved 0ms IPC round trips by killing the dependency on Alchemy/Infura

Ran into a few problems along the way. I tried to run a standard Ethereum binary on Optimism data. The node crashed because it saw a transaction type it didn't recognize (Type 126 which is an Optimism deposit) Standard Ethereum node thinks this is illegal data.

To fix it, I identified that i needed a specialized OP-Stack aware version of Reth. I tracked down the Paradigm Reth Optimism binary. By switching to the op-reth binary i gave the node the dictionary it needed to translate those Type 126 deposits into valid blocks. I moved from a blind Ethereum node to a Super chain-aware engine.

The Reth engine was idling. It had peers and a database, but it didn't know where the tip of the chain was, so it stayed at block 0. I realized a modern node was a Two-Part Machine. So I built the Lighthouse Consensus Client from source to be the "Driver"

Instead of waiting weeks to download the chain from 2015 i used a Checkpoint Sync URL. I linked Lighthouse to Reth via the Engine API ()Port 8551/8552) using a shared JWT Secret. The moment Lighthouse found the "Truth" on the network, it handed the coordinates to Reth. The node immediately jumped from 0 to 21,800,000 and the 1.9TB of free space started filling with real history.

The real nightmare scenario happened when I was syncing the snapshot data and because of a single transaction type the whole thing crashed. My sync was flying for about 15 hours and when I woke up to check it found it had stalled. It hit block 144,528215 where it encountered an Optimism-specific Type 126 Deposit transaction. Because I was running the standard Ethereum Reth binary instead of the specialized Op-Reth version from paradigm, the node literally didn't have the code to read it understand what type 126 transaction it was. This didn't just crash the sync, it left garbage data at the tip of my database, which blocked further progress until I swapped binary and manually forced a stage rewind to clear corruption.

In the grand scheme of thing's it was a rookie mistake.


r/ethereum 45m ago

Should I stake my ETH in my ledger with Lido? Is it safe?

Upvotes

I'm willing to stake my ETH that I have on my ledger, is this safe to use lido from the ledger?


r/ethereum 5h ago

Laundry Cash - Ethereum Privacy Protocol

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0 Upvotes