Re add lines that were deleted in an careless commit.

	modified:   apuntes/web3/index.html

Author: abaqueiro

apuntes/web3/index.html

@@ -114,5 +114,56 @@ <h2>Aspectos identificables sobre web3</h2>
 Influence is measured in tokens
 </p>
 
+<dt>Web3</dt>
+<dd>
+	<ul>
+		<li>Persistant, distibuted, tamper resistant, cryptographically secure database</li>
+		<li>Data is there forverer</li>
+		<li>Perfect place to store property rights, credentials, identities and agreements</li>
+		<li>No one can censor data in the Blockchain</li>
+	</ul>
+</dd>
+
+<dt>namecoin</dt>
+<dd>
+	A project that pretend to replace the entire DNS system
+	<br>Descentralize everybody
+</dd>
+
+<dt>blocksign</dt>
+<dd>
+	allows users to sign and verify any agreement through the bitcoin blockchain with really low cost
+</dd>
+
+<dt>contract</dt>
+<dd>
+An agreement having lawful object entered into voluntarily by two or more parties,
+each of whom intends to create one or more legal obligations between them.
+</dd>
+
+<dt>smart contract</dt>
+<dd>
+Is a computer protocol that facilitates, verifies, or enforces the negociation or performance
+of a contract, or that obviate the needs for a contractual clause.
+<br>
+<br>First introduced by David Chaum and Nick Szabo en 1980s
+<br>Vitalik Buterin and Stefan Thomas enhanced via Ethereum and Codius projects
+</dd>
+
+<h2>Problems that blockchain can help solve</h2>
+
+<ul>
+	<li>Build a censorship resistant, always accesible digital history</li>
+	<li>Build credit metrics and risk metrics on that</li>
+	<li>Reduce transaction cost, payment systems</li>
+	<li>Build micro finance and micro insurance, lending clubs, etc</li>
+</ul>
+
+<h2>Examples: Solutions that can be builded using this tech</h2>
+
+<ul>
+	<li>Descentralized ISPs</li>
+</ul>
+
 </body>
 </html>