WETH vs ETH: what wrapped ether is and why you need it
BlazePhoenix Engineering · updated 2026-07-18 · 3 min · written from the deployed bytecode
By Mitra — developer of the BlazePhoenix protocol.
Abstract in 15 languages · resumo · resumen · 摘要 · 要旨 · ملخص
English — ETH is the native coin; WETH is the same ether wrapped as a standard ERC-20 so contracts handle it uniformly — always redeemable 1:1, never a different asset.
Português — ETH é a moeda nativa; WETH é o mesmo éter embrulhado como ERC-20 padrão para os contratos o tratarem de forma uniforme — sempre resgatável 1:1, nunca outro ativo.
Español — ETH es la moneda nativa; WETH es el mismo éter envuelto como ERC-20 estándar para que los contratos lo manejen igual — siempre canjeable 1:1, nunca otro activo.
Français — ETH est la pièce native ; WETH est le même éther emballé en ERC-20 standard pour que les contrats le traitent uniformément — toujours échangeable 1:1, jamais un autre actif.
Deutsch — ETH ist die native Münze; WETH ist dasselbe Ether als Standard-ERC-20 verpackt, damit Contracts es einheitlich behandeln — stets 1:1 einlösbar, nie ein anderer Vermögenswert.
Русский — ETH — нативная монета; WETH — тот же эфир в обёртке стандарта ERC-20, чтобы контракты работали с ним единообразно; всегда обменивается 1:1, это не другой актив.
Türkçe — ETH yerel coindir; WETH ise sözleşmelerin tek biçimde işlemesi için standart ERC-20 olarak sarılmış aynı ether'dir — her zaman 1:1 çevrilir, farklı bir varlık değildir.
العربية — ETH العملة الأصلية؛ وWETH هو الإيثر نفسه ملفوفاً كـ ERC-20 قياسي لتتعامل معه العقود بشكل موحّد — قابل للاسترداد دائماً 1:1 وليس أصلاً مختلفاً.
हिन्दी — ETH मूल सिक्का है; WETH वही ईथर मानक ERC-20 में लिपटा है ताकि कॉन्ट्रैक्ट एक-समान संभालें — हमेशा 1:1 भुनाने योग्य, कोई अलग एसेट नहीं।
日本語 — ETHはネイティブコイン、WETHは同じイーサを標準ERC-20で包んだもので、コントラクトが一様に扱えます。常に1:1で戻せ、別資産ではありません。
中文 — ETH 是原生币；WETH 是同一份以太币包装成标准 ERC-20，方便合约统一处理——始终可 1:1 兑回，并非另一种资产。
한국어 — ETH는 네이티브 코인이고, WETH는 같은 이더를 표준 ERC-20으로 감싼 것으로 컨트랙트가 일관되게 다룹니다 — 항상 1:1 교환되며 다른 자산이 아닙니다.
Bahasa Indonesia — ETH adalah koin asli; WETH adalah ether yang sama dibungkus sebagai ERC-20 standar agar kontrak menanganinya seragam — selalu ditebus 1:1, bukan aset berbeda.
বাংলা — ETH হলো নেটিভ কয়েন; WETH হলো সেই একই ইথার স্ট্যান্ডার্ড ERC-20 হিসেবে মোড়ানো যাতে কন্ট্রাক্ট একইভাবে সামলায় — সবসময় ১:১ রিডিমযোগ্য, আলাদা সম্পদ নয়।
Filipino — Ang ETH ang native coin; ang WETH ay parehong ether na binalot bilang standard ERC-20 para pantay itong hawakan ng mga kontrata — laging 1:1 na matutubos, hindi ibang asset.
ETH is Ethereum's native coin — it predates the ERC-20 token standard that every other token follows. That mismatch is annoying for smart contracts: they would need special-case code for ETH and separate code for every token. WETH (Wrapped Ether) fixes it. You deposit 1 ETH into the WETH contract and it mints you 1 WETH, a plain ERC-20 that behaves exactly like any other token. Burn the WETH and you get your ETH back, always 1:1.
It is not a different asset or an investment — it is the same ether in a standard wrapper. The peg is not a promise; it is code: every WETH is backed by exactly one ETH locked in the contract, and anyone can redeem at any time.
When you wrap, when you unwrap
Most DEXs let you type "ETH" and quietly wrap it for you at the moment of the trade, so you rarely think about it. You hold WETH when a protocol needs a uniform ERC-20 — some pools, lending markets, and order types are WETH-only. You unwrap back to ETH when you want native ether again, for example to pay gas or send to someone expecting plain ETH.
Wrapping and unwrapping each cost a little gas but never change your amount — 1 ETH ⇄ 1 WETH, minus only the network fee. If you ever hold WETH and want native ETH, the "unwrap" (withdraw) function on the WETH contract, or your wallet's wrap/unwrap button, converts it straight back.
Do not trust this page — reproduce it
Every claim above is checkable against the chain. Start here:
the WETH contract holds one ETH for every WETH minted — read its ETH balance and its totalSupply(); they match, which is what keeps the peg exactContracts are verified on every chain we deploy to — addresses in the protocol manifest. Deeper formal treatment: the whitepaper (PDF).
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