Main navigation

Error message

Warning: Undefined array key 0 in amp_entity_view_alter() (line 156 of modules/contrib/amp/amp.module).
amp_entity_view_alter(Array, Object, Object) (Line: 545)
Drupal\Core\Extension\ModuleHandler->alter('node_view', Array, Object, Object) (Line: 304)
Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array) (Line: 238)
Drupal\Core\Entity\EntityViewBuilder->build(Array)
call_user_func_array(Array, Array) (Line: 111)
Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 788)
Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 377)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 204)
Drupal\Core\Render\Renderer->render(Array, ) (Line: 238)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 583)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 239)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 128)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 187)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 191)
Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
Drupal\Core\DrupalKernel->handle(Object) (Line: 18)

Lenovo Files Patent to Use Blockchain for Digital Signature Verification

Advertisement
Mon, 19/02/2018 - 22:24
Lenovo Files Patent to Use Blockchain for Digital Signature Verification
Cover image via U.Today
Read U.TODAY on
Google News

Chinese tech company Lenovo has filed a patent to verify the authenticity of digital documents using Blockchain. In its application, Lenovo noted that digital signatures have proven problematic due to the lack of a standard and “technological complexity.” Likewise, the company notes that there is “no assurance” that the text of physically signed and scanned documents “was not substantially altered” after being signed.

Related articles

Advertisement
TopCryptoNewsinYourMailbox
TopCryptoNewsinYourMailbox
Advertisement
Advertisement

Recommended articles

Latest Press Releases

Our social media
There's a lot to see there, too

Popular articles

Advertisement
AD