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author | Christian Grothoff <christian@grothoff.org> | 2015-08-03 18:34:46 +0200 |
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committer | Christian Grothoff <christian@grothoff.org> | 2015-08-03 18:34:46 +0200 |
commit | 653daabfe99e360cc529f92bc76c4ba6baa7e22a (patch) | |
tree | 539e69cb83af5f4527d130c40f567cf1176b6a41 /index.html | |
parent | e4b5e1aab625e4f743eb9f04c13257f532769ee5 (diff) | |
download | www-653daabfe99e360cc529f92bc76c4ba6baa7e22a.tar.gz www-653daabfe99e360cc529f92bc76c4ba6baa7e22a.zip |
formatting
Former-commit-id: c53d9f8dc0e351bec40e1358d4fddac4fe2b6e92
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-rw-r--r-- | index.html | 26 |
1 files changed, 12 insertions, 14 deletions
@@ -195,25 +195,22 @@ | |||
195 | <p><a lang="it" class="btn btn-primary" href="/news" role="button" lang="it">Scopri di più »</a></p> | 195 | <p><a lang="it" class="btn btn-primary" href="/news" role="button" lang="it">Scopri di più »</a></p> |
196 | </div> | 196 | </div> |
197 | </div> | 197 | </div> |
198 | <div class="jumbotron"> | 198 | <div class="jumbotron" align="left"> |
199 | <h2 lang="en">Taler system overview</h1> | 199 | <h2 lang="en">Taler system overview</h1> |
200 | <h2 lang="de">Das Taler-System im Überblick</h1> | 200 | <h2 lang="de">Das Taler-System im Überblick</h1> |
201 | <h2 lang="fr" note="outdated"></h2> | 201 | <h2 lang="fr" note="outdated"></h2> |
202 | <h2 lang="it" note="outdated"></h2> | 202 | <h2 lang="it" note="outdated"></h2> |
203 | <p lang="en" align="center"> | ||
204 | <img src="images/system.svg" alt="system overview"> | ||
205 | </p> | ||
206 | <p lang="en">The Taler system consists of protocols and free software | 203 | <p lang="en">The Taler system consists of protocols and free software |
207 | implementations between a number of actors as illustrated in the | 204 | implementations between a number of actors as illustrated in the |
208 | illustration above. Typical transactions involve the following steps: | 205 | illustration above. Typical transactions involve the following steps: |
209 | </p> | 206 | <img src="images/system.svg" alt="system overview" style="float: right; margin: 5px 5px 5px 5px;" width="50%"> |
210 | <ul> | 207 | <ol> |
211 | <li lang="en">A customer instructs his <b>bank</b> to transfer funds | 208 | <li lang="en">A customer instructs his <b>bank</b> to transfer funds |
212 | from his account to the Taler mint (top left). In the subject of | 209 | from his account to the Taler mint (top left). In the subject of |
213 | the transaction, he includes an authentication token from his | 210 | the transaction, he includes an authentication token from his |
214 | electronic <b>wallet</b>. In Taler terminology, the customer | 211 | electronic <b>wallet</b>. In Taler terminology, the customer |
215 | creates a reserve at the mint.</li> | 212 | creates a reserve at the mint.</li> |
216 | <li lang="en">Once the mint has received the transfer, it allows the | 213 | <li lang="en">Once the mint has received the transfer, it allows the |
217 | customer's electronic wallet to <b>withdraw</b> electronic coins. | 214 | customer's electronic wallet to <b>withdraw</b> electronic coins. |
218 | The electronic coins are digital representations of the original | 215 | The electronic coins are digital representations of the original |
219 | transfer. It is important to note that the mint does not learn | 216 | transfer. It is important to note that the mint does not learn |
@@ -222,7 +219,7 @@ | |||
222 | The use of Taler does not change the currency or the | 219 | The use of Taler does not change the currency or the |
223 | total value of the funds (except for fees which the mint may | 220 | total value of the funds (except for fees which the mint may |
224 | charge for the service).</li> | 221 | charge for the service).</li> |
225 | <li lang="en">Once the customer has the digital coins in his wallet, | 222 | <li lang="en">Once the customer has the digital coins in his wallet, |
226 | the wallet can be used to <b>spend</b> the coins with merchant | 223 | the wallet can be used to <b>spend</b> the coins with merchant |
227 | portals that support the Taler | 224 | portals that support the Taler |
228 | payment system and accept the respective mint as a business | 225 | payment system and accept the respective mint as a business |
@@ -236,7 +233,7 @@ | |||
236 | customer. Naturally, the customer can spend any fraction of his | 233 | customer. Naturally, the customer can spend any fraction of his |
237 | digital coins (the system takes care of customers getting | 234 | digital coins (the system takes care of customers getting |
238 | change).</li> | 235 | change).</li> |
239 | <li lang="en">Merchants receiving digital coins <b>deposits</b> | 236 | <li lang="en">Merchants receiving digital coins <b>deposits</b> |
240 | the respective receipts that resulted from the contract signing | 237 | the respective receipts that resulted from the contract signing |
241 | with the customer at the mint to redeem the coins. | 238 | with the customer at the mint to redeem the coins. |
242 | The deposit step does not reveal the learn the details of the | 239 | The deposit step does not reveal the learn the details of the |
@@ -249,27 +246,28 @@ | |||
249 | customer. Thus, the mint's database allows the state to enforce | 246 | customer. Thus, the mint's database allows the state to enforce |
250 | that merchants pay applicable taxes (and do not engage in | 247 | that merchants pay applicable taxes (and do not engage in |
251 | illegal contracts).</li> | 248 | illegal contracts).</li> |
252 | <li lang="en">Finally, the mint transfers funds corresponding to | 249 | <li lang="en">Finally, the mint transfers funds corresponding to |
253 | the digital coins redeemed by the merchants to the merchant's | 250 | the digital coins redeemed by the merchants to the merchant's |
254 | <b>bank</b> account. The mint may combine multiple small | 251 | <b>bank</b> account. The mint may combine multiple small |
255 | transactions into one larger bank transfer. | 252 | transactions into one larger bank transfer. |
256 | The merchant can query the mint | 253 | The merchant can query the mint |
257 | about the relationship between the bank transfers and the | 254 | about the relationship between the bank transfers and the |
258 | individual claims that were deposited.</li> | 255 | individual claims that were deposited.</li> |
259 | <li lang="en">Most importantly, the mint keeps cryptographic | 256 | <li lang="en">Most importantly, the mint keeps cryptographic |
260 | proofs that allow it to demonstrate that it is operating | 257 | proofs that allow it to demonstrate that it is operating |
261 | correctly to third parties. The system requires an external | 258 | correctly to third parties. The system requires an external |
262 | <b>auditor</b>, such as a government-appointed financial regulatory | 259 | <b>auditor</b>, such as a government-appointed financial regulatory |
263 | body, to frequently verify the mint's databases and check that | 260 | body, to frequently verify the mint's databases and check that |
264 | its bank balance matches the total value of the remaining coins | 261 | its bank balance matches the total value of the remaining coins |
265 | in circulation.</li> | 262 | in circulation.</li> |
266 | <li lang="en">Without the auditor, the mint operators could | 263 | <li lang="en">Without the auditor, the mint operators could |
267 | steal funds they are holding in reserve. Customers and merchants | 264 | steal funds they are holding in reserve. Customers and merchants |
268 | cannot cheat each other or the mint. If any party's computers | 265 | cannot cheat each other or the mint. If any party's computers |
269 | are compromised, the financial damage is limited to the | 266 | are compromised, the financial damage is limited to the |
270 | respective party and proportional to the funds they | 267 | respective party and proportional to the funds they |
271 | have in circulation during the period of the compromise.</li> | 268 | have in circulation during the period of the compromise.</li> |
272 | </ul> | 269 | </ol> |
270 | </p> | ||
273 | </div> | 271 | </div> |
274 | <!--# include file="common/footer.inc" --> | 272 | <!--# include file="common/footer.inc" --> |
275 | </div> <!-- /container --> | 273 | </div> <!-- /container --> |