{"id":118,"date":"2025-08-17T13:15:52","date_gmt":"2025-08-17T13:15:52","guid":{"rendered":"https:\/\/learn.rantissi.my.id\/?p=118"},"modified":"2025-08-17T13:15:54","modified_gmt":"2025-08-17T13:15:54","slug":"apa-itu-layer-2-di-blockchain-contoh-arbitrum-optimism","status":"publish","type":"post","link":"https:\/\/learn.rantissi.my.id\/index.php\/2025\/08\/17\/apa-itu-layer-2-di-blockchain-contoh-arbitrum-optimism\/","title":{"rendered":"Apa itu Layer 2 di Blockchain (Contoh: Arbitrum, Optimism)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Masalah di Ethereum: Mahal &amp; Lambat<\/h2>\n\n\n\n<p>Ethereum itu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kuat (sangat aman)<\/li>\n\n\n\n<li>Tapi juga:<br>\u274c Lambat (sekitar 15\u201330 transaksi per detik)<br>\u274c Biaya mahal (gas fee bisa puluhan ribu rupiah atau lebih)<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udd0d Kenapa bisa mahal?<br>Karena semua transaksi harus diproses oleh <strong>ribuan node<\/strong> \u2192 bikin antri dan padat<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Solusinya: <strong>Layer 2<\/strong><\/h2>\n\n\n\n<p><strong>Layer 2<\/strong> = teknologi tambahan di atas Ethereum,<br>yang bantu memproses transaksi <strong>lebih cepat dan lebih murah<\/strong>.<\/p>\n\n\n\n<p>\u27a1\ufe0f Ibarat jalan tol di atas jalan utama (Ethereum = jalan utama)<\/p>\n\n\n\n<p>Transaksi tetap <strong>aman<\/strong>, tapi lebih <strong>efisien<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Contoh Layer 2 Terkenal<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Nama<\/th><th>Teknologi<\/th><th>Keterangan<\/th><\/tr><\/thead><tbody><tr><td><strong>Arbitrum<\/strong><\/td><td>Rollup<\/td><td>Murah &amp; kompatibel dengan Ethereum<\/td><\/tr><tr><td><strong>Optimism<\/strong><\/td><td>Rollup<\/td><td>Cepat, biaya lebih rendah<\/td><\/tr><tr><td><strong>zkSync<\/strong><\/td><td>Zero Knowledge<\/td><td>Privasi tinggi, super ringan<\/td><\/tr><tr><td><strong>Polygon PoS<\/strong><\/td><td>Sidechain<\/td><td>Murah, sangat populer (OpenSea, game Web3)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Bagaimana Cara Layer 2 Bekerja?<\/h2>\n\n\n\n<p>\ud83d\udee3\ufe0f Umumnya, Layer 2 melakukan:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Transaksi dilakukan di Layer 2 (misalnya di Arbitrum)<\/li>\n\n\n\n<li>Tapi hasil akhirnya tetap <strong>dicatat di Ethereum<\/strong> \u2192 keamanan tetap terjaga<\/li>\n<\/ul>\n\n\n\n<p>\u23eb Transaksi \u201cdigulung\u201d (rollup) jadi satu paket besar, lalu dikirim ke Ethereum \u2192 <strong>hemat ruang &amp; gas<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Apa Untungnya Pakai Layer 2?<\/h2>\n\n\n\n<p>\u2705 Biaya transaksi bisa turun <strong>90%\u201399%<\/strong><br>\u2705 Transaksi bisa selesai dalam hitungan detik<br>\u2705 Bisa pakai wallet dan DApp yang sama (MetaMask, Uniswap, dll)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kekurangannya?<\/h2>\n\n\n\n<p>\u26a0\ufe0f Kadang perlu waktu kalau mau \u201cpulangin\u201d aset dari Layer 2 ke Layer 1 (Ethereum)<br>\u26a0\ufe0f Tidak semua aplikasi mendukung semua Layer 2<br>\u26a0\ufe0f Harus <strong>pindah jaringan<\/strong> dulu di wallet (contoh: dari Ethereum ke Arbitrum)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Ilustrasi Sederhana<\/h2>\n\n\n\n<p>\ud83d\udee3\ufe0f Ethereum = jalan kota utama (padat &amp; mahal)<br>\ud83d\ude97 Layer 2 = jalan tol cepat (lebih murah dan longgar)<br>\ud83e\ude99 Kamu bisa tetap sampai ke tujuan, tapi lebih efisien!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Ringkasan<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ethereum itu aman, tapi mahal &amp; lambat<\/li>\n\n\n\n<li>Layer 2 bantu mempercepat dan menghemat biaya<\/li>\n\n\n\n<li>Contoh: Arbitrum, Optimism, zkSync, Polygon<\/li>\n\n\n\n<li>Bisa digunakan langsung lewat wallet seperti MetaMask<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Masalah di Ethereum: Mahal &amp; Lambat Ethereum itu: \ud83d\udd0d Kenapa bisa mahal?Karena semua transaksi harus diproses oleh ribuan node \u2192 bikin antri dan padat Solusinya: Layer 2 Layer 2 = teknologi tambahan di atas Ethereum,yang bantu memproses transaksi lebih cepat dan lebih murah. \u27a1\ufe0f Ibarat jalan tol di atas jalan utama (Ethereum = jalan utama)&#8230;<\/p>\n","protected":false},"author":1,"featured_media":24,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web3-blockchain"],"_links":{"self":[{"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/posts\/118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/comments?post=118"}],"version-history":[{"count":1,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions"}],"predecessor-version":[{"id":119,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions\/119"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/media\/24"}],"wp:attachment":[{"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/media?parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/categories?post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.rantissi.my.id\/index.php\/wp-json\/wp\/v2\/tags?post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}