WETH (WETH) là gì?

WETH la viet tat cua Wrapped Ether (Ether duoc boc). Day la mot token dac biet tren blockchain Ethereum, luon co gia tri bang dung 1 ETH thong thuong (dong tien chinh cua mang Ethereum), nhung tuan theo bo quy tac tieu chuan ma phan lon cac token Ethereum khac su dung. Noi don gian, WETH chi la ETH khoan ao de co the tuong thich tot voi cac ung dung yeu cau moi dong tien phai hoat dong theo cung mot cach.

WETH la gi theo cach hieu don gian?

Hay tuong tuong ETH la dong tien goc cua mot quoc gia. No duoc tao ra truoc khi moi nguoi dong y ve mot hinh dang chung cho dong tien. Sau do, cac nha phat trien da tao ra mot tieu chuan chung goi la ERC-20 (mot bo quy tac xac dinh cach mot token tren Ethereum nen duoc xay dung de tat ca cac ung dung co the xu ly no theo cach giong nhau). Phan lon cac token tuan theo tieu chuan nay, nhung ETH thuan tuy ra doi qua som va khong tuan theo.

Vi vay moi nguoi da phat minh ra WETH. Ban khoa 1 ETH va nhan lai 1 WETH. WETH do tuan theo cac quy tac ERC-20. Khi ban muon lay lai ETH, ban tra WETH va mo khoa ETH. Day giong nhu doi mot dong tien co dac biet lay mot token phu hop voi moi may ban hang tu dong, biet rang ban luon co the doi lai voi gia tri chinh xac tuong duong.

Day la ly do moi nguoi goi no la "boc." Ban khong tao ra tien moi. Ban dang boc cung mot gia tri vao mot goi tuong thich hon. WETH giai thich trong mot cau: cung gia tri voi ETH, dinh dang than thien hon cho cac ung dung.

WETH hoat dong nhu the nao?

WETH duoc van hanh boi mot hop dong thong minh (mot chuong trinh nho song tren blockchain va tu dong tuan theo cac quy tac cua chinh no, khong can con nguoi quan ly). Hay nghi no nhu mot thu quy robot rat trung thuc chi lam hai viec:

• Nap tien (boc): Ban gui ETH den hop dong. No khoa ETH cua ban va tra cho ban cung luong WETH.
• Rut tien (bo boc): Ban gui WETH lai cho hop dong. No dot (tieu huy) WETH do va tra lai ETH cua ban.

Vi hop dong luon giu chinh xac luong ETH bao dam cho moi WETH dang ton tai, hai loai luon co cung gia tri. Khong co su doan mo va khong co trung gian. Thu quy robot chi duy tri su tuong ung mot-mot hoan hao.

Mot blockchain giong nhu mot cuon so tay chung ma moi nguoi co the doc nhung khong ai co the bi mat xoa. Moi lan boc va bo boc deu duoc ghi vao cuon so tay do, vi vay bat ky ai cung co the kiem tra rang luong ETH duoc khoa bang luong WETH dang luu hanh tren the gioi.

Tai sao WETH ton tai?

Day la phan khien moi nguoi boi roi: neu WETH bang ETH, tai sao khong dung ETH luon? Cau tra loi lien quan den tinh tuong thich.

Khi Ethereum va ETH duoc xay dung lan dau, tieu chuan ERC-20 chua ton tai. ETH di chuyen trong mang theo cach ban dia rieng cua no. Nhung hang nghin ung dung, dac biet la DeFi (viet tat cua "tai chinh phi tap trung," co nghia la cac ung dung tien te chay tren blockchain thay vi ngan hang) duoc thiet ke de xu ly cac token ERC-20. Code cua chung ky vong moi dong tien ho tro cac chuc nang giong nhau, nhu "cho phep ung dung nay chi tieu token cua toi."

ETH thuan tuy khong noi chinh xac ngon ngu do. Thay vi viet lai moi ung dung hai lan, cong dong da dong y voi mot giai phap don gian hon: boc ETH vao mot token ERC-20. Bay gio cac ung dung chi can mot bo code, va ETH co the tham gia bang cach tro thanh WETH truoc.

WETH duoc dung de lam gi?

WETH la mot trong nhung token duoc su dung nhieu nhat tren Ethereum vi rat nhieu ung dung can den no. Cac su dung pho bien bao gom:

• Giao dich tren san phi tap trung: Cac ung dung cho phep nguoi dung trao doi token truc tiep thuong cap doi dong tien voi WETH thay vi ETH, vi cac pool cua chung duoc xay dung cho token ERC-20.
• Cho vay va di vay: Cac ung dung cho vay tien co the yeu cau WETH de no phu hop vot tat ca cac token khac ma chung chap nhan.
• Mua NFT: Nhieu san giao dich NFT ("token khong the thay the," mot mat hang ky thuat so doc nhat nhu nghe thuat hoac vat pham suu tap) su dung WETH de dat gia va de nghi, vi no co the duoc phe duyet truoc theo cach ma ETH thuan tuy khong the lam duoc.
• Cung cap thanh khoan: Nhung nguoi cung cap cap token cho cac pool giao dich thuong can WETH lam mot nua cua cap.

Vi vay, du ban co the khong bao gio "mua WETH" co chu dich, ban se thuong nam giu no trong thoi gian ngan khi su dung cac ung dung nay.

Ai da tao ra WETH va khi nao?

WETH khong duoc tao ra boi mot cong ty noi tieng duy nhat. No xuat hien tu cong dong nha phat trien Ethereum rong lon hon nhu mot cong cu thuc tien, voi cong viec ban dau xuat hien vao khoang nam 2017 khi DeFi bat dau cất canh. Y tuong va hop dong duoc chia se cong khai de bat ky ai cung co the su dung cung mot token boc tieu chuan.

Hop dong WETH duoc su dung rong rai nhat da tro thanh mot loai tieu chuan cong dong. Vi no la nguon mo va khong thay doi, cac nha phat trien trong toan bo he sinh thai dua vao no ma khong can tin tuong bat ky chu so huu nao. Hop dong chi don gian lam cong viec mot-mot cua minh, ngay qua ngay.

WETH khac ETH o diem nao?

Gia tri giong het nhau, nhung dinh dang va hanh vi khac nhau:

• Tieu chuan: ETH la dong tien ban dia; WETH la token ERC-20 duoc xay dung de khop voi cac token khac.
• Phi gas: Ban van can ETH thuan tuy de tra gas (phi nho cho moi giao dich Ethereum). Ban khong the tra gas bang WETH, vi vay moi nguoi thuong giu mot it ETH o trang thai chua boc.
• Ho tro ung dung: Nhieu ung dung DeFi va NFT thich WETH vi no ho tro tinh nang "chap thuan" ma cac token ERC-20 co.

Cach de nho don gian: ETH la tien mat trong tui cho chi tieu hang ngay va phi; WETH la cung gia tri dat vao mot the ma nhieu may hon chap nhan.

Lam the nao de mua va luu tru WETH?

Thuong ban khong mua WETH tu cua hang. Thay vao do, ban tao ra no tu ETH ban da so huu:

• Tu boc: Ket noi mot vi tu luu ky (ung dung noi chi ban nam giu khoa bi mat) voi mot ung dung DeFi dang tin cay va su dung nut "wrap" de bien ETH thanh WETH.
• Nhan trong giao dich: Mot so giao dich hoán doi tu dong cho ban WETH nhu mot phan cua giao dich.

Ban luu tru WETH trong cung vi Ethereum chua ETH va cac token khac cua ban. De quay lai, ban chi can "bo boc" sang ETH bat cu luc nao. Luon giu mot it ETH du phong de co the tra phi gas cho cac hanh dong nay.

WETH co an toan khong? Nhung rui ro can biet

WETH la mot trong nhung token duoc thu nghiem nhieu nhat trong cryto, va y tuong boc va bo boc la don gian va minh bach. Tuy nhien, khong co crypto nao la khong co rui ro. Nhung dieu can ghi nho:

• Rui ro hop dong thong minh: WETH phu thuoc vao hop dong cua no. Cac hop dong WETH uy tin da duoc su dung an toan trong nhieu nam, nhung hay luon dam bao ban dang su dung hop dong that su, dang tin cay chu khong phai ban sao gia.
• Rui ro ung dung: Nguy hiem lon hon thuong la ung dung DeFi hoac NFT ma ban ket noi, khong phai ban than WETH. Chi su dung cac ung dung noi tieng, da duoc kiem toan.
• Lua dao va tra tan: Co nhung website gia "boc ETH cua ban." Kiem tra ky lien ket va khong bao gio phe duyet giao dich ma ban khong hieu.
• Rui ro gia: WETH di chuyen chinh xac cung voi ETH, vi vay gia tri cua no tang va giam giong nhu ETH.

Bai viet nay danh cho viec hoc tap, khong phai tu van tai chinh. Luon tu nghien cuu truoc khi su dung bat ky token hoac ung dung nao.

Cau hoi thuong gap ve WETH

WETH co giong ETH khong?

Ve gia tri, co. 1 WETH luon co gia tri bang 1 ETH, va ban co the hoan doi tu do giua chung. Su khac biet chi la o dinh dang: WETH tuan theo tieu chuan token ERC-20, trong khi ETH la dong tien ban dia cua Ethereum.

Toi co the mat tien khi boc ETH thanh WETH khong?

Boc khong thay doi gia tri cua ban, vi 1 ETH tro thanh 1 WETH. Ban chi tra mot phi gas nho cho hanh dong nay. Rui ro chinh den tu viec su dung cac ung dung khong dang tin cay hoac website gia, khong phai tu chinh qua trinh boc.

Toi co the bo boc WETH lai thanh ETH khong?

Co, bat cu luc nao. Ban gui WETH den hop dong hoac su dung nut "unwrap" cua ung dung, va nhan lai cung luong ETH. Chi can giu mot it ETH de tra phi gas.

Tai sao cac san NFT dung WETH?

Vi WETH la token ERC-20, no ho tro tinh nang "phe duyet truoc" cho phep ban dat gia va de nghi co the duoc thuc hien sau. ETH thuan tuy khong the lam dieu nay theo cach tuong tu, vi vay cac san su dung WETH cho cac de nghi.