C&aacute;c nh&agrave; nghi&ecirc;n c&#7913;u t&#7915; Anthropic &#273;&atilde; ph&aacute;t hi&#7879;n ra r&#7857;ng ba t&aacute;c nh&acirc;n AI ph&#7893; bi&#7871;n c&oacute; th&#7875; t&#7921; &#273;&#7897;ng l&#7907;i d&#7909;ng c&aacute;c l&#7895; h&#7893;ng trong h&#7907;p &#273;&#7891;ng th&ocirc;ng minh, t&#7841;o ra &#432;&#7899;c t&iacute;nh kho&#7843;ng 4.6 tri&#7879;u USD trong c&aacute;c qu&#7929; b&#7883; &#273;&aacute;nh c&#7855;p m&ocirc; ph&#7887;ng.
H&#7885; c&#361;ng ph&aacute;t hi&#7879;n ra c&aacute;c l&#7895; h&#7893;ng m&#7899;i trong c&aacute;c h&#7907;p &#273;&#7891;ng blockchain v&#7915;a &#273;&#432;&#7907;c tri&#7875;n khai g&#7847;n &#273;&acirc;y, cho th&#7845;y r&#7857;ng cu&#7897;c t&#7845;n c&ocirc;ng m&#7841;ng do AI &#273;i&#7873;u khi&#7875;n gi&#7901; &#273;&acirc;y &#273;&atilde; kh&#7843; thi v&agrave; c&oacute; l&#7907;i nhu&#7853;n.
<h2 class="bic-gutenberg-heading wp-heading wp-block-heading" id="h-ai-driven-cyberattacks-prove-cost-effective">T&#7845;n c&ocirc;ng m&#7841;ng do AI &#273;i&#7873;u khi&#7875;n ch&#7913;ng minh hi&#7879;u qu&#7843; v&#7873; chi ph&iacute;</h2>

Trong m&#7897;t b&agrave;i &#273;&#259;ng blog <a href="https://red.anthropic.com/2025/smart-contracts/" target="_blank" rel="noreferrer noopener nofollow">&#273;&#432;&#7907;c c&ocirc;ng b&#7889;</a> v&agrave;o th&#7913; Hai, Anthropic &#273;&atilde; ti&#7871;t l&#7897; nh&#7919;ng ph&aacute;t hi&#7879;n &#273;&aacute;ng lo ng&#7841;i v&#7873; kh&#7843; n&#259;ng ng&agrave;y c&agrave;ng t&#259;ng c&#7911;a tr&iacute; tu&#7879; nh&acirc;n t&#7841;o (AI) trong vi&#7879;c nh&#7855;m m&#7909;c ti&ecirc;u v&agrave;o c&aacute;c &#273;i&#7875;m y&#7871;u <a href="https://beincrypto.com/learn/smart-contracts/">trong h&#7907;p &#273;&#7891;ng th&ocirc;ng minh</a>.
Nghi&ecirc;n c&#7913;u c&#7911;a h&#7885; cho th&#7845;y r&#7857;ng ba m&ocirc; h&igrave;nh AI&mdash;Claude Opus 4.5, Sonnet 4.5, <a href="https://vn.beincrypto.com/top-crypto-news-chatgpt-solana-tariffs-ethena/" target="_blank" rel="noreferrer noopener">v&agrave; GPT-5</a>&mdash;c&oacute; kh&#7843; n&#259;ng x&aacute;c &#273;&#7883;nh v&agrave; khai th&aacute;c c&aacute;c &#273;i&#7875;m y&#7871;u trong c&aacute;c h&#7907;p &#273;&#7891;ng blockchain. &#272;i&#7873;u n&agrave;y d&#7851;n &#273;&#7871;n 4.6 tri&#7879;u USD c&aacute;c qu&#7929; b&#7883; &#273;&aacute;nh c&#7855;p m&ocirc; ph&#7887;ng t&#7915; c&aacute;c h&#7907;p &#273;&#7891;ng tri&#7875;n khai sau th&aacute;ng 03/2025.
<img style="height:400px;width:640px;" decoding="async" src="https://assets.beincrypto.com/img/pPUeSU8fxBbP83GEpTjNAhQLAuw=/smart/fba846f3ba284a2aa8a13e5dff181499" alt="" class="wp-image-778988" style="width:830px;height:auto">T&#7893;ng doanh thu t&#7915; c&aacute;c v&#7909; khai th&aacute;c m&ocirc; ph&#7887;ng. Ngu&#7891;n: <a href="https://red.anthropic.com/2025/smart-contracts/" target="_blank" rel="noreferrer noopener nofollow">Anthropic</a>.

C&aacute;c m&ocirc; h&igrave;nh AI c&#361;ng &#273;&atilde; ph&aacute;t hi&#7879;n ra hai l&#7895; h&#7893;ng m&#7899;i trong c&aacute;c h&#7907;p &#273;&#7891;ng v&#7915;a &#273;&#432;&#7907;c tung ra g&#7847;n &#273;&acirc;y.
M&#7897;t l&#7895; h&#7893;ng cho ph&eacute;p k&#7867; t&#7845;n c&ocirc;ng thao t&uacute;ng m&#7897;t h&agrave;m &ldquo;calculator&rdquo; c&ocirc;ng khai, d&#7921; &#273;&#7883;nh t&iacute;nh to&aacute;n ph&#7847;n th&#432;&#7903;ng token, &#273;&#7875; l&agrave;m t&#259;ng s&#7889; d&#432; token. M&#7897;t l&#7895; h&#7893;ng kh&aacute;c <a href="https://vn.beincrypto.com/yearn-finance-yeth-exploit-drains-millions/" target="_blank" rel="noreferrer noopener">cho ph&eacute;p k&#7867; t&#7845;n c&ocirc;ng r&uacute;t ti&#7873;n</a> b&#7857;ng c&aacute;ch g&#7903;i c&aacute;c &#273;&#7883;a ch&#7881; nh&#7853;n kh&ocirc;ng h&#7907;p l&#7879;.
GPT-5 &#273;&atilde; c&oacute; th&#7875; x&aacute;c &#273;&#7883;nh v&agrave; khai th&aacute;c c&aacute;c v&#7845;n &#273;&#7873; n&agrave;y ch&#7881; v&#7899;i chi ph&iacute; 3,476 USD. Con s&#7889; n&agrave;y l&agrave; chi ph&iacute; &#273;&#7875; v&#7853;n h&agrave;nh m&ocirc; h&igrave;nh AI nh&#7857;m th&#7921;c hi&#7879;n cu&#7897;c t&#7845;n c&ocirc;ng trong m&ocirc;i tr&#432;&#7901;ng gi&#7843; l&#7853;p.
V&#7899;i vi&#7879;c nh&#7919;ng v&#7909; khai th&aacute;c n&agrave;y d&#7851;n &#273;&#7871;n vi&#7879;c b&#7883; &#273;&aacute;nh c&#7855;p 4.6 tri&#7879;u USD, chi ph&iacute; th&#7845;p &#273;&#7875; th&#7921;c hi&#7879;n ch&uacute;ng ch&#7913;ng minh r&#7857;ng cu&#7897;c t&#7845;n c&ocirc;ng m&#7841;ng do AI &#273;i&#7873;u khi&#7875;n kh&ocirc;ng ch&#7881; c&oacute; th&#7875; x&#7843;y ra m&agrave; c&ograve;n c&oacute; chi ph&iacute; h&#7907;p l&yacute;, l&agrave;m ch&uacute;ng c&oacute; l&#7907;i nhu&#7853;n v&agrave; <a href="https://beincrypto.com/tech-giants-enhance-cybersecurity-ai/" target="_blank" rel="noreferrer noopener">h&#7845;p d&#7851;n &#273;&#7889;i v&#7899;i nh&#7919;ng t&#7897;i ph&#7841;m m&#7841;ng ti&#7873;m n&#259;ng</a>.
Doanh thu t&#7915; nh&#7919;ng v&#7909; khai th&aacute;c do AI &#273;i&#7873;u khi&#7875;n c&#361;ng &#273;ang t&#259;ng v&#7899;i t&#7889;c &#273;&#7897; &#273;&aacute;ng b&aacute;o &#273;&#7897;ng.
<h2 class="bic-gutenberg-heading wp-heading wp-block-heading" id="h-exponential-increase-in-exploit-profits">L&#7907;i nhu&#7853;n t&#7915; h&agrave;nh &#273;&#7897;ng khai th&aacute;c t&#259;ng theo c&#7845;p s&#7889; nh&acirc;n</h2>

Trong n&#259;m qua, s&#7889; ti&#7873;n b&#7883; &#273;&aacute;nh c&#7855;p t&#7915; c&aacute;c cu&#7897;c t&#7845;n c&ocirc;ng n&agrave;y &#273;&atilde; t&#259;ng g&#7845;p &#273;&ocirc;i kho&#7843;ng m&#7895;i 1.3 th&aacute;ng.
S&#7921; gia t&#259;ng nhanh ch&oacute;ng n&agrave;y cho th&#7845;y cu&#7897;c t&#7845;n c&ocirc;ng do AI &#273;i&#7873;u khi&#7875;n &#273;ang tr&#7903; n&ecirc;n c&agrave;ng ng&agrave;y c&agrave;ng c&oacute; l&#7907;i nhu&#7853;n v&agrave; ph&#7893; bi&#7871;n r&#7897;ng r&atilde;i. C&aacute;c m&ocirc; h&igrave;nh &#273;ang c&#7843;i thi&#7879;n kh&#7843; n&#259;ng t&igrave;m ra c&aacute;c l&#7895; h&#7893;ng v&agrave; th&#7921;c hi&#7879;n c&aacute;c cu&#7897;c t&#7845;n c&ocirc;ng m&#7897;t c&aacute;ch hi&#7879;u qu&#7843; h&#417;n.
Khi c&aacute;c qu&#7929; b&#7883; &#273;&aacute;nh c&#7855;p t&#259;ng l&ecirc;n, vi&#7879;c c&aacute;c t&#7893; ch&#7913;c b&#7855;t k&#7883;p tr&#7903; n&ecirc;n kh&oacute; kh&#259;n h&#417;n. &#272;i&#7873;u &#273;&aacute;ng lo ng&#7841;i &#273;&#7863;c bi&#7879;t l&agrave; AI c&oacute; th&#7875; <a href="https://beincrypto.com/learn/crypto-ai-agents-explained/" target="_blank" rel="noreferrer noopener">gi&#7901; &#273;&acirc;y t&#7921; &#273;&#7897;ng th&#7921;c hi&#7879;n</a> c&aacute;c cu&#7897;c t&#7845;n c&ocirc;ng n&agrave;y m&agrave; kh&ocirc;ng c&#7847;n can thi&#7879;p c&#7911;a con ng&#432;&#7901;i.
Nh&#7919;ng ph&aacute;t hi&#7879;n c&#7911;a Anthropic &#273;&#7841;i di&#7879;n cho m&#7897;t <a href="https://vn.beincrypto.com/north-korean-hackers-use-blockchain-malware-for-cyber-attacks/" target="_blank" rel="noreferrer noopener">s&#7921; chuy&#7875;n &#273;&#7893;i l&#7899;n trong an ninh m&#7841;ng</a>. AI kh&ocirc;ng ch&#7881; x&aacute;c &#273;&#7883;nh c&aacute;c l&#7895; h&#7893;ng m&agrave; c&ograve;n t&#7921; &#273;&#7897;ng t&#7841;o v&agrave; th&#7921;c hi&#7879;n c&aacute;c chi&#7871;n l&#432;&#7907;c khai th&aacute;c v&#7899;i r&#7845;t &iacute;t gi&aacute;m s&aacute;t.
Nh&#7919;ng h&#7879; qu&#7843; n&agrave;y v&#432;&#7907;t xa h&#417;n c&#7843; ti&#7873;n &#273;i&#7879;n t&#7917;. B&#7845;t k&#7923; h&#7879; th&#7889;ng ph&#7847;n m&#7873;m n&agrave;o c&oacute; b&#7843;o m&#7853;t y&#7871;u &#273;&#7873;u d&#7877; b&#7883; t&#7893;n th&#432;&#417;ng, t&#7915; c&aacute;c &#7913;ng d&#7909;ng doanh nghi&#7879;p <a href="https://vn.beincrypto.com/bitcoin-wallet-vulnerability-us-government-exploit/" target="_blank" rel="noreferrer noopener">&#273;&#7871;n d&#7883;ch v&#7909; t&agrave;i ch&iacute;nh v&agrave; nhi&#7873;u h&#417;n n&#7919;a</a>.

Tại sao các vụ khai thác tiền mã hóa do AI điều khiển lại nguy hiểm hơn bao giờ hết

C&aacute;c nh&agrave; nghi&ecirc;n c&#7913;u t&#7915; Anthropic &#273;&atilde; ph&aacute;t hi&#7879;n ra r&#7857;ng ba t&aacute;c nh&acirc;n AI ph&#7893; bi&#7871;n c&oacute; th&#7875; t&#7921; &#273;&#7897;ng l&#7907;i d&#7909;ng c&aacute;c l&#7895; h&#7893;ng trong h&#7907;p &#273;&#7891;ng th&ocirc;ng minh, t&#7841;o ra &#432;&#7899;c t&iacute;nh kho&#7843;ng 4.6 tri&#7879;u USD trong c&aacute;c qu&#7929; b&#7883; &#273;&aacute;nh c&#7855;p m&ocirc; ph&#7887;ng.
H&#7885; c&#361;ng ph&aacute;t hi&#7879;n ra c&aacute;c l&#7895; h&#7893;ng m&#7899;i trong c&aacute;c h&#7907;p &#273;&#7891;ng blockchain v&#7915;a &#273;&#432;&#7907;c tri&#7875;n khai g&#7847;n &#273;&acirc;y, cho th&#7845;y r&#7857;ng cu&#7897;c t&#7845;n c&ocirc;ng m&#7841;ng do AI &#273;i&#7873;u khi&#7875;n gi&#7901; &#273;&acirc;y &#273;&atilde; kh&#7843; thi v&agrave; c&oacute; l&#7907;i nhu&#7853;n.
<h2 class="bic-gutenberg-heading wp-heading wp-block-heading" id="h-ai-driven-cyberattacks-prove-cost-effective">T&#7845;n c&ocirc;ng m&#7841;ng do AI &#273;i&#7873;u khi&#7875;n ch&#7913;ng minh hi&#7879;u qu&#7843; v&#7873; chi ph&iacute;</h2>

Trong m&#7897;t b&agrave;i &#273;&#259;ng blog <a href="https://red.anthropic.com/2025/smart-contracts/" target="_blank" rel="noreferrer noopener nofollow">&#273;&#432;&#7907;c c&ocirc;ng b&#7889;</a> v&agrave;o th&#7913; Hai, Anthropic &#273;&atilde; ti&#7871;t l&#7897; nh&#7919;ng ph&aacute;t hi&#7879;n &#273;&aacute;ng lo ng&#7841;i v&#7873; kh&#7843; n&#259;ng ng&agrave;y c&agrave;ng t&#259;ng c&#7911;a tr&iacute; tu&#7879; nh&acirc;n t&#7841;o (AI) trong vi&#7879;c nh&#7855;m m&#7909;c ti&ecirc;u v&agrave;o c&aacute;c &#273;i&#7875;m y&#7871;u <a href="https://beincrypto.com/learn/smart-contracts/">trong h&#7907;p &#273;&#7891;ng th&ocirc;ng minh</a>.
Nghi&ecirc;n c&#7913;u c&#7911;a h&#7885; cho th&#7845;y r&#7857;ng ba m&ocirc; h&igrave;nh AI&mdash;Claude Opus 4.5, Sonnet 4.5, <a href="https://vn.beincrypto.com/top-crypto-news-chatgpt-solana-tariffs-ethena/" target="_blank" rel="noreferrer noopener">v&agrave; GPT-5</a>&mdash;c&oacute; kh&#7843; n&#259;ng x&aacute;c &#273;&#7883;nh v&agrave; khai th&aacute;c c&aacute;c &#273;i&#7875;m y&#7871;u trong c&aacute;c h&#7907;p &#273;&#7891;ng blockchain. &#272;i&#7873;u n&agrave;y d&#7851;n &#273;&#7871;n 4.6 tri&#7879;u USD c&aacute;c qu&#7929; b&#7883; &#273;&aacute;nh c&#7855;p m&ocirc; ph&#7887;ng t&#7915; c&aacute;c h&#7907;p &#273;&#7891;ng tri&#7875;n khai sau th&aacute;ng 03/2025.
<img style="height:400px;width:640px;"decoding="async" src="https://assets.beincrypto.com/img/pPUeSU8fxBbP83GEpTjNAhQLAuw=/smart/fba846f3ba284a2aa8a13e5dff181499" alt="" class="wp-image-778988" style="width:830px;height:auto">T&#7893;ng doanh thu t&#7915; c&aacute;c v&#7909; khai th&aacute;c m&ocirc; ph&#7887;ng. Ngu&#7891;n: <a href="https://red.anthropic.com/2025/smart-contracts/" target="_blank" rel="noreferrer noopener nofollow">Anthropic</a>.

C&aacute;c m&ocirc; h&igrave;nh AI c&#361;ng &#273;&atilde; ph&aacute;t hi&#7879;n ra hai l&#7895; h&#7893;ng m&#7899;i trong c&aacute;c h&#7907;p &#273;&#7891;ng v&#7915;a &#273;&#432;&#7907;c tung ra g&#7847;n &#273;&acirc;y.
M&#7897;t l&#7895; h&#7893;ng cho ph&eacute;p k&#7867; t&#7845;n c&ocirc;ng thao t&uacute;ng m&#7897;t h&agrave;m &ldquo;calculator&rdquo; c&ocirc;ng khai, d&#7921; &#273;&#7883;nh t&iacute;nh to&aacute;n ph&#7847;n th&#432;&#7903;ng token, &#273;&#7875; l&agrave;m t&#259;ng s&#7889; d&#432; token. M&#7897;t l&#7895; h&#7893;ng kh&aacute;c <a href="https://vn.beincrypto.com/yearn-finance-yeth-exploit-drains-millions/" target="_blank" rel="noreferrer noopener">cho ph&eacute;p k&#7867; t&#7845;n c&ocirc;ng r&uacute;t ti&#7873;n</a> b&#7857;ng c&aacute;ch g&#7903;i c&aacute;c &#273;&#7883;a ch&#7881; nh&#7853;n kh&ocirc;ng h&#7907;p l&#7879;.
GPT-5 &#273;&atilde; c&oacute; th&#7875; x&aacute;c &#273;&#7883;nh v&agrave; khai th&aacute;c c&aacute;c v&#7845;n &#273;&#7873; n&agrave;y ch&#7881; v&#7899;i chi ph&iacute; 3,476 USD. Con s&#7889; n&agrave;y l&agrave; chi ph&iacute; &#273;&#7875; v&#7853;n h&agrave;nh m&ocirc; h&igrave;nh AI nh&#7857;m th&#7921;c hi&#7879;n cu&#7897;c t&#7845;n c&ocirc;ng trong m&ocirc;i tr&#432;&#7901;ng gi&#7843; l&#7853;p.
V&#7899;i vi&#7879;c nh&#7919;ng v&#7909; khai th&aacute;c n&agrave;y d&#7851;n &#273;&#7871;n vi&#7879;c b&#7883; &#273;&aacute;nh c&#7855;p 4.6 tri&#7879;u USD, chi ph&iacute; th&#7845;p &#273;&#7875; th&#7921;c hi&#7879;n ch&uacute;ng ch&#7913;ng minh r&#7857;ng cu&#7897;c t&#7845;n c&ocirc;ng m&#7841;ng do AI &#273;i&#7873;u khi&#7875;n kh&ocirc;ng ch&#7881; c&oacute; th&#7875; x&#7843;y ra m&agrave; c&ograve;n c&oacute; chi ph&iacute; h&#7907;p l&yacute;, l&agrave;m ch&uacute;ng c&oacute; l&#7907;i nhu&#7853;n v&agrave; <a href="https://beincrypto.com/tech-giants-enhance-cybersecurity-ai/" target="_blank" rel="noreferrer noopener">h&#7845;p d&#7851;n &#273;&#7889;i v&#7899;i nh&#7919;ng t&#7897;i ph&#7841;m m&#7841;ng ti&#7873;m n&#259;ng</a>.
Doanh thu t&#7915; nh&#7919;ng v&#7909; khai th&aacute;c do AI &#273;i&#7873;u khi&#7875;n c&#361;ng &#273;ang t&#259;ng v&#7899;i t&#7889;c &#273;&#7897; &#273;&aacute;ng b&aacute;o &#273;&#7897;ng.
<h2 class="bic-gutenberg-heading wp-heading wp-block-heading" id="h-exponential-increase-in-exploit-profits">L&#7907;i nhu&#7853;n t&#7915; h&agrave;nh &#273;&#7897;ng khai th&aacute;c t&#259;ng theo c&#7845;p s&#7889; nh&acirc;n</h2>

Trong n&#259;m qua, s&#7889; ti&#7873;n b&#7883; &#273;&aacute;nh c&#7855;p t&#7915; c&aacute;c cu&#7897;c t&#7845;n c&ocirc;ng n&agrave;y &#273;&atilde; t&#259;ng g&#7845;p &#273;&ocirc;i kho&#7843;ng m&#7895;i 1.3 th&aacute;ng.
S&#7921; gia t&#259;ng nhanh ch&oacute;ng n&agrave;y cho th&#7845;y cu&#7897;c t&#7845;n c&ocirc;ng do AI &#273;i&#7873;u khi&#7875;n &#273;ang tr&#7903; n&ecirc;n c&agrave;ng ng&agrave;y c&agrave;ng c&oacute; l&#7907;i nhu&#7853;n v&agrave; ph&#7893; bi&#7871;n r&#7897;ng r&atilde;i. C&aacute;c m&ocirc; h&igrave;nh &#273;ang c&#7843;i thi&#7879;n kh&#7843; n&#259;ng t&igrave;m ra c&aacute;c l&#7895; h&#7893;ng v&agrave; th&#7921;c hi&#7879;n c&aacute;c cu&#7897;c t&#7845;n c&ocirc;ng m&#7897;t c&aacute;ch hi&#7879;u qu&#7843; h&#417;n.
Khi c&aacute;c qu&#7929; b&#7883; &#273;&aacute;nh c&#7855;p t&#259;ng l&ecirc;n, vi&#7879;c c&aacute;c t&#7893; ch&#7913;c b&#7855;t k&#7883;p tr&#7903; n&ecirc;n kh&oacute; kh&#259;n h&#417;n. &#272;i&#7873;u &#273;&aacute;ng lo ng&#7841;i &#273;&#7863;c bi&#7879;t l&agrave; AI c&oacute; th&#7875; <a href="https://beincrypto.com/learn/crypto-ai-agents-explained/" target="_blank" rel="noreferrer noopener">gi&#7901; &#273;&acirc;y t&#7921; &#273;&#7897;ng th&#7921;c hi&#7879;n</a> c&aacute;c cu&#7897;c t&#7845;n c&ocirc;ng n&agrave;y m&agrave; kh&ocirc;ng c&#7847;n can thi&#7879;p c&#7911;a con ng&#432;&#7901;i.
Nh&#7919;ng ph&aacute;t hi&#7879;n c&#7911;a Anthropic &#273;&#7841;i di&#7879;n cho m&#7897;t <a href="https://vn.beincrypto.com/north-korean-hackers-use-blockchain-malware-for-cyber-attacks/" target="_blank" rel="noreferrer noopener">s&#7921; chuy&#7875;n &#273;&#7893;i l&#7899;n trong an ninh m&#7841;ng</a>. AI kh&ocirc;ng ch&#7881; x&aacute;c &#273;&#7883;nh c&aacute;c l&#7895; h&#7893;ng m&agrave; c&ograve;n t&#7921; &#273;&#7897;ng t&#7841;o v&agrave; th&#7921;c hi&#7879;n c&aacute;c chi&#7871;n l&#432;&#7907;c khai th&aacute;c v&#7899;i r&#7845;t &iacute;t gi&aacute;m s&aacute;t.
Nh&#7919;ng h&#7879; qu&#7843; n&agrave;y v&#432;&#7907;t xa h&#417;n c&#7843; ti&#7873;n &#273;i&#7879;n t&#7917;. B&#7845;t k&#7923; h&#7879; th&#7889;ng ph&#7847;n m&#7873;m n&agrave;o c&oacute; b&#7843;o m&#7853;t y&#7871;u &#273;&#7873;u d&#7877; b&#7883; t&#7893;n th&#432;&#417;ng, t&#7915; c&aacute;c &#7913;ng d&#7909;ng doanh nghi&#7879;p <a href="https://vn.beincrypto.com/bitcoin-wallet-vulnerability-us-government-exploit/" target="_blank" rel="noreferrer noopener">&#273;&#7871;n d&#7883;ch v&#7909; t&agrave;i ch&iacute;nh v&agrave; nhi&#7873;u h&#417;n n&#7919;a</a>.