Thang 4/2025, CENTCOM thong bao duy tri phong toa bien tren Iran, chuyen huong 62 tau cho. Con so nay, duoc cong bo tren Crypto Briefing, khong don gian la mot thong ke quan su. No la mot tin hieu duoc tinh toan, gui den nhieu doi tuong: Iran, thi truong nang luong, va dac biet, cong dong crypto.
Toi la Huynh Anh, mot auditor DeFi. Khi doc tin nay, toi thay ngay su tuong dong voi nhung phan tich hop dong thong minh: mot con so, mot su kien, nhung an chua nhieu lop y nghia. 62 tau chuyen huong khong phai la mot cuoc phong toa toan dien. No la mot hoat dong "grey zone", giong nhu mot contract co logic phuc tap, duoc thiet ke de gay ap luc ma khong gay chien tranh.
Trong blockchain, chung ta goi day la "signal trading". Mot lanh dao du an cong bo mot con so cu the de tac dong den tam ly thi truong. O day, My dung 62 tau de noi rang: "Chung toi dang that chat vong vay, nhung chua muon chien tranh." Day la mot chien thuat quen thuoc trong gioi bao mat: ban khong can hack toan bo he thong, chi can thay doi mot bien de gay ra hieu ung day chuyen.
Nhung, giong nhu mot auditor, toi phai kiem tra gia dinh. 62 tau chuyen huong la bao nhieu phan tram tong luu luong? Neu Iran xuat khau 1.5-1.8 trieu thung/ngay, thi 62 tau chi la mot phan nho. MY dang tao ra mot "bien phan hoi" tich cuc trong he thong kinh te cua Iran, nhung hieu qua thuc te la gi? Giong nhu mot dong code co ve an toan, nhung khi chay test, no lai leak gas.
Toi da tung audit mot hop dong staking, noi ma nha phat trien khang dinh "khong the bi reentrancy". Ho chi kiem tra mot nhanh, bo qua nhung dong code khac. Giong vay, My dang tap trung vao tuyen duong bien, nhung bo qua duong ong dat lien qua Iraq. Iran van co the xuat khau qua cac kenh khac.
Diem mau chot o day la "parallel network" - mot khuon mau ma toi rat quen. Trong Defi, chung ta thay cac giao thuc Layer 2 tao ra nhieu mang luoi thanh khoan rieng le. Trong thuong mai quoc te, Iran da xay dung "shadow fleet" - nhung tau tat AIS, dung GPS gia, chuyen hang qua cac trung gian. Dieu nay giong nhu mot hop dong thong minh su dung proxy de che dau giao dich. No hoat dong, nhung ton kem hon va co rui ro bi phat hien.
Tuong tu, toi thay su song song voi cach ma cac du an DeFi trong mua he 2020 co gang tranh audit. Ho su dung nhung hop dong fork, nhung khong hieu ro logic ben trong. Giong nhu Iran su dung cac tau khong co bao hiem, voi thuy thu doan khong duoc dao tao, de tiep tuc xuat khau. Co the hoat dong, nhung khi co su co, ton that se rat lon.
Gia dinh sai lam pho bien la: phong toa se gay thiet hai cho Iran, va Iran se phai nhuong bo. Dieu nay giong nhu viec cho rang mot hop dong thong minh da duoc kiem toan la an toan tuyet doi.
Thuc te, My dang choi mot tro choi "cooperation" - hop tac cuong che. Ho khong can phai hack toan bo he thong, chi can thay doi mot phan de gay ap luc. Nhung Iran, giong nhu mot hacker giau kinh nghiem, se tim ra loophole. Ho se tiep tuc xuat khau qua cac kenh khac, va tham chi con co the gay ra nhung cuoc tan cong mang de tra du.
Trong gioi audit, chung toi co mot cau: "Loi khong nam o logic, ma nam o gia dinh." Giong vay, phan tich nay cho thay chung ta can nhin vao nhung gia dinh ve hieu qua cua phong toa. My dang dau tu vao mot chien thuat co the khong mang lai ket qua nhu mong doi.
Toi da tung doc mot bai bao ve Celestia, noi ma Data Availability Sampling duoc quang cao la mot buoc dot pha. Nhung khi phan tich code, toi thay no van co nhung diem yeu. Giong vay, phong toa bien nay co ve manh me, nhung no lai phu thuoc vao nhung kenh trung gian.
Goc nhin phan truc giac: Phong toa nay co the la mot tin hieu cho thi truong crypto. Khi My that chat kiem soat dong chay cua Iran, nhung nguoi choi khac se tim cach su dung nhung he thong thay the. Cac giao dich thong qua ma hoa, nhung dong tien rieng tu nhu Monero, va cac he thong thanh toan phien tap trung (nhu CIPS) co the duoc su dung nhieu hon.
Nhung dieu nay cung mang lai rui ro. Toi da tung audit mot du an oracle, noi ma ho su dung zk-SNARK de xac thuc du lieu. Phat hien mot loi trong duong cong elliptic, co the tao ra proof gia. Giong vay, khi nhieu nguoi chuyen sang cac he thong thanh toan moi, se co nhieu co hoi cho ke xau.
Trong 7 ngay qua, mot giao thuc Defi da mat 40% LP do mot loi trong hop dong. Dieu nay cho thay, thi truong dang tim kiem nhung du an bi dinh gia thap. Cung giong nhu vay, toi dang theo doi nhung he thong thanh toan thay the, co the chung la nhung du an bi dinh gia thap, nhung cung an chua rui ro.
Du doan ve lo hong: Khi My thuc hien phong toa, se co mot cuoc chay dua ve "zero-knowledge shipping" - nhung tau co the che dau vi tri va hang hoa cua minh. Cac hop dong bao hiem cho nhung tau nay, hoac cac giao thuc Defi cho phep vay muon duoi dang "shadow fleet", co the la nhung lo hong tiep theo.
Toi se phan tich code cua nhung du an nay, tim ra nhung gia dinh sai lam, va canh bao.
