Ethereum

Base

Optimism

Base, an Ethereum layer-2 blockchain incubated by Coinbase, is set to become more decentralized with the introduction of a new fault-proof system.
Base took to X on Oct. 23 to <a data-ct-non-breakable="null" href="https://x.com/base/status/1849199337504465335" rel="null" target="null" text="null" title="null">announce</a> the upcoming mainnet launch of fault proofs, or mechanisms intended to verify the correctness of transactions, such as the validity of withdrawals.
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 <img alt="Coinbase, Decentralization, Base, Layer2" src="https://s3.cointelegraph.com/uploads/2024-10/0192bdd7-7cb6-7ef0-a6e8-92c0ebb89db4" title="">
 <figcaption style="text-align: center;">
 Source: <a data-ct-non-breakable="null" href="https://x.com/base/status/1849199337504465335" rel="null" target="null" text="null" title="null">Base</a>
 </figcaption>
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With fault proofs coming to Base on Oct. 30, users can monitor and challenge invalid withdrawals, which removes the need for a trusted third party, Base said.
<h2 id="base-to-launch-fault-proofs-twice-as-fast-as-optimism">Base to launch fault proofs twice as fast as Optimism</h2>
To ensure a smooth launch of its fault-proof system, Base has been collaborating with Optimism, another Ethereum L2 involved in fault-proof tech development.
After&nbsp;<a data-ct-non-breakable="null" href="https://cointelegraph.com/news/optimism-network-launches-testnet-fault-proof-system-pursuit-decentralization" rel="null" target="null" text="null" title="null">launching fault proofs on the testnet</a>&nbsp;in October 2023, Optimism&nbsp;<a data-ct-non-breakable="null" href="https://cointelegraph.com/news/optimism-reaches-stage-1-decentralization-implementing-fault-proofs" rel="null" target="null" text="null" title="null">implemented fault proofs on the mainnet</a>&nbsp;in June 2024, taking six months to introduce the system on the mainnet.
<figure>
 <img alt="Coinbase, Decentralization, Base, Layer2" src="https://s3.cointelegraph.com/uploads/2024-10/0192bdd6-e5f2-7270-a7f8-c1a888cdb083" title="">
 <figcaption style="text-align: center;">
 Permissionless fault proofs diagram by Optimism. Source: Optimism 
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In Base’s case, the fault-proof mainnet transition is set to take half the time as Optimism’s, as Base <a data-ct-non-breakable="null" href="https://base.mirror.xyz/Odr64Blt1YLjR2U-5iXr84dg00Bttz2jnYwvaLGoTY0" rel="null" target="null" text="null" title="null">launched</a> fault proofs on Base testnet in July 2024.
Related: <a data-ct-non-breakable="null" href="https://cointelegraph.com/news/ethereum-devs-add-blob-upgrade-to-pectra-fork" rel="null" target="null" text="null" title="null">Ethereum’s Pectra fork adds dynamic blob fees to improve L2 scaling</a>
With fault proofs activated, users can withdraw assets from L2s like Base or Optimism to the original (layer-1) Ethereum blockchain without relying on any centralized entity. This novelty, however, introduces certain changes to the process of withdrawals.
<h2 id="what-s-changing-to-withdrawals-on-base">What’s changing to withdrawals on Base?</h2>
Following Base’s fault proofs’ implementation on the mainnet, withdrawals will <a data-ct-non-breakable="null" href="https://docs.base.org/docs/preparing-for-fault-proofs-on-base/" rel="null" target="null" text="null" title="null">involve</a> proving and finalizing based on the fault-proof system.
Withdrawals before the upgrade will have to wait for a seven-day challenge period before finalization, while the fault-proof system will prove those taking place during or after the fault-proof upgrade. According to Base, this process usually takes seven days to finalize, but additional delays could occur if challenged.
<figure>
 <img alt="Coinbase, Decentralization, Base, Layer2" src="https://s3.cointelegraph.com/uploads/2024-10/0192bdd6-4eff-7fb4-94af-4951d3e83b89" title="">
 <figcaption style="text-align: center;">
 An excerpt from Base’s fault-proof upgrade post. Source: Base 
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“Withdrawals on Base that are pending when the upgrade occurs will need to be re-proven,” Base also noted in a post on X.
Base also noted that fault-proof contract upgrades would be completed atomically, meaning all affected L1 contracts will be upgraded in a single transaction. “No action will be required from node operators,” Base added.
Magazine: <a data-ct-non-breakable="null" href="https://cointelegraph.com/magazine/bitcoin-price-prediction-sec-x-account-etf-hack-trump-crypto-hodlers-digest/" rel="null" target="null" text="null" title="null">Bitcoin $233K forecast, SEC X account hacker arrested, and more: Hodler’s Digest, Oct. 13 – 19</a>

Coinbase-backed Base to improve decentralization with fault proofs

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