Investigation and Discovery Phases Complete.
This commit is contained in:
@@ -0,0 +1,713 @@
|
||||
{
|
||||
"data": {
|
||||
"route": {
|
||||
"path": "/indices",
|
||||
"breadcrumb": [
|
||||
{
|
||||
"link": {
|
||||
"url": "/",
|
||||
"internal": true
|
||||
},
|
||||
"title": "Home"
|
||||
}
|
||||
],
|
||||
"data": {
|
||||
"data": {
|
||||
"pageAlerts": {
|
||||
"data": []
|
||||
},
|
||||
"contentType": "landing_page",
|
||||
"theme": null,
|
||||
"metaDescription": "Get a summary of the latest index launches, insights, featured indices, and market updates.",
|
||||
"interactiveTheming": false,
|
||||
"buttonInteraction": null,
|
||||
"metaImage": null,
|
||||
"title": "Indices",
|
||||
"header": {
|
||||
"data": {
|
||||
"widgetType": "masthead_carousel_widget",
|
||||
"masthead": {
|
||||
"data": {
|
||||
"widgetType": "header",
|
||||
"backgroundImage": {
|
||||
"data": {
|
||||
"image": {
|
||||
"height": 160,
|
||||
"width": 1920,
|
||||
"url": "https://api2.sgx.com/sites/default/files/masthead-Data-Connectivity.jpg"
|
||||
}
|
||||
}
|
||||
},
|
||||
"mobilebackgroundImage": null
|
||||
}
|
||||
},
|
||||
"carouselSlides": [
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "carousel_slide_widget",
|
||||
"title": "iEdge APAC Financials Dividend Plus Index",
|
||||
"masthead": {
|
||||
"data": {
|
||||
"widgetType": "header",
|
||||
"backgroundImage": {
|
||||
"data": {
|
||||
"image": {
|
||||
"height": 640,
|
||||
"width": 1920,
|
||||
"url": "https://api2.sgx.com/sites/default/files/2024-06/Lion-OCBC%20Securities%20APC_Homepage%20%281920%20x%20640%20px%29.jpg"
|
||||
}
|
||||
}
|
||||
},
|
||||
"mobilebackgroundImage": null
|
||||
}
|
||||
},
|
||||
"description": "The index aims to track the 30 largest financial institutions in APAC with consistently high and sustainable dividend payout.",
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20240513-sgx-securities-launches-worlds-first-etf-tracking-asia-pacifics"
|
||||
},
|
||||
"title": "Find out more"
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "carousel_slide_widget",
|
||||
"title": "iEdge Singapore Next 50 Indices",
|
||||
"masthead": {
|
||||
"data": {
|
||||
"widgetType": "header",
|
||||
"backgroundImage": {
|
||||
"data": {
|
||||
"image": {
|
||||
"height": 640,
|
||||
"width": 1920,
|
||||
"url": "https://api2.sgx.com/sites/default/files/images/2025-09/iEdge%20Next%2050%20Index%20Webpage%20Banner%20%281920%20x%20640%20px%29.png"
|
||||
}
|
||||
}
|
||||
},
|
||||
"mobilebackgroundImage": null
|
||||
}
|
||||
},
|
||||
"description": "The iEdge Singapore Next 50 Indices offer investors exposure to the next tier of large and sizeable companies in Singapore’s equity market.",
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://bit.ly/47TgLXp"
|
||||
},
|
||||
"title": "Read more"
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "carousel_slide_widget",
|
||||
"title": "iEdge Southeast Asia+ TECH Index",
|
||||
"masthead": {
|
||||
"data": {
|
||||
"widgetType": "header",
|
||||
"backgroundImage": {
|
||||
"data": {
|
||||
"image": {
|
||||
"height": 2668,
|
||||
"width": 8000,
|
||||
"url": "https://api2.sgx.com/sites/default/files/2024-06/CSOP%20iEdge%20SEA%2B%20Tech%20ETF_Homepage%20%281920%20x%20640%20px%29-01.jpg"
|
||||
}
|
||||
}
|
||||
},
|
||||
"mobilebackgroundImage": null
|
||||
}
|
||||
},
|
||||
"description": "The index aims to track the performance of the largest 30 technology companies domiciled in Southeast Asia and Emerging Asia markets.",
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20230620-sgx-securities-welcomes-listing-csop-iedge-southeast-asia-tech-index"
|
||||
},
|
||||
"title": "Find out more"
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"highlights": [
|
||||
{
|
||||
"data": {
|
||||
"highlightType": "internal_highlight",
|
||||
"title": "News Updates",
|
||||
"subtitle": "CoinDesk Indices and SGX Indices launch iEdge CoinDesk Cryptocurrency Indices ",
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.coindesk.com/coindesk-indices/2025/07/31/coindesk-indices-and-sgx-indices-launch-iedge-coindesk-cryptocurrency-indices"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"highlightType": "internal_highlight",
|
||||
"title": "Collaboration",
|
||||
"subtitle": "Real Time display of Shenzhen Stock Exchange Indices is now available on SGX.com/indices",
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/indices/products/szi"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"highlightType": "internal_highlight",
|
||||
"title": "Our presence in Singapore and London",
|
||||
"subtitle": "SGX Index Edge is now delivering fast and effective custom index solutions beyond Asia Pacific",
|
||||
"link": null
|
||||
}
|
||||
}
|
||||
],
|
||||
"widgets": [
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_indices_prices",
|
||||
"tabs": [
|
||||
{
|
||||
"data": {
|
||||
"label": "Featured",
|
||||
"filterValue": null,
|
||||
"filterLabel": null,
|
||||
"type": "manual",
|
||||
"category": null,
|
||||
"indices": [
|
||||
{
|
||||
"data": {
|
||||
"title": "Straits Times Index (STI)",
|
||||
"code": ".STI"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge Singapore Next 50 Index [SGD] (NTR)",
|
||||
"code": "SGN50N"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge Singapore Next 50 Liquidity Weighted Index [SGD] (NTR)",
|
||||
"code": "SGN50LN"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge-OCBC Singapore Low Carbon Select 40 Capped Index [SGD] (NTR)",
|
||||
"code": "SGLC40CN"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge S-REIT Leaders Index [SGD] (PR)",
|
||||
"code": "SREITLSP"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge-UOB APAC Yield Focus Green REIT Index [SGD] (NTR)",
|
||||
"code": "AGREITSN"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge APAC Financials Dividend Plus Index [SGD] (NTR)",
|
||||
"code": ".APACFINN"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge Southeast Asia+ TECH Index [USD] (NTR)",
|
||||
"code": "ASIATECN"
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"title": "iEdge Vietnam 30 Sector Cap Index [USD] (TR)",
|
||||
"code": "IEVNTR"
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Equity Indices",
|
||||
"filterValue": "subcategory",
|
||||
"filterLabel": "Category",
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Equity Indices",
|
||||
"code": "equity"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Derivative Indices",
|
||||
"filterValue": "subcategory",
|
||||
"filterLabel": "Category",
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Derivatives Indices",
|
||||
"code": "Derivative"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Cryptocurrency Indices",
|
||||
"filterValue": null,
|
||||
"filterLabel": null,
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Cryptocurrency Indices",
|
||||
"code": "Digital"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Custom Indices",
|
||||
"filterValue": "subcategory",
|
||||
"filterLabel": "Sponsor",
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Custom Indices",
|
||||
"code": "Custom-Ind"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Straits Times Indices",
|
||||
"filterValue": null,
|
||||
"filterLabel": null,
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Straits Times Indices",
|
||||
"code": "StraitsTim"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Third Party Indices",
|
||||
"filterValue": "subcategory",
|
||||
"filterLabel": "Category",
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Third Party Indices",
|
||||
"code": "Third Party Indices"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Fixed Income Indices",
|
||||
"filterValue": null,
|
||||
"filterLabel": null,
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Fixed Income Indices",
|
||||
"code": "Fixed-Inco"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "FX Indices",
|
||||
"filterValue": null,
|
||||
"filterLabel": null,
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "FX Indices",
|
||||
"code": "FX"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"label": "Single Stock Indices",
|
||||
"filterValue": "subcategory",
|
||||
"filterLabel": "Category",
|
||||
"type": "category",
|
||||
"category": {
|
||||
"data": {
|
||||
"title": "Single Stock Indices",
|
||||
"code": "SSI"
|
||||
}
|
||||
},
|
||||
"indices": []
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_tile_list",
|
||||
"layout": "3_tiles",
|
||||
"tiles": [
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX Indices launches iEdge Singapore Next 50 Indices",
|
||||
"date": {
|
||||
"date": "2025-09-22 12:00:00 UTC",
|
||||
"value": "2025-09-22"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20250922-sgx-indices-launches-iedge-singapore-next-50-indices-broaden-0"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "CoinDesk Indices and SGX Indices launch iEdge CoinDesk Crypto Indices ",
|
||||
"date": {
|
||||
"date": "2025-07-31 12:00:00 UTC",
|
||||
"value": "2025-07-31"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.coindesk.com/coindesk-indices/2025/07/31/coindesk-indices-and-sgx-indices-launch-iedge-coindesk-cryptocurrency-indices"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX welcomes listing of Lion-China Merchants Emerging Asia Select Index ETF",
|
||||
"date": {
|
||||
"date": "2024-12-11 12:00:00 UTC",
|
||||
"value": "2024-12-11"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20241211-sgx-securities-welcomes-listing-lion-china-merchants-emerging-asia"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX Securities launches world's first ETF tracking APAC financial sector",
|
||||
"date": {
|
||||
"date": "2024-05-13 12:00:00 UTC",
|
||||
"value": "2024-05-13"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20240513-sgx-securities-launches-worlds-first-etf-tracking-asia-pacifics"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX Group and Shanghai Stock Exchange ETF Product Link debuts first pair",
|
||||
"date": {
|
||||
"date": "2023-12-01 12:00:00 UTC",
|
||||
"value": "2023-12-01"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20231201-sgx-group-and-shanghai-stock-exchange-etf-product-link-debuts-first"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX Index Edge and CSI to launch index on Emerging Asia Technology",
|
||||
"date": {
|
||||
"date": "2024-01-02 12:00:00 UTC",
|
||||
"value": "2024-01-02"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.csindex.com.cn/#/about/newsDetail?id=15107"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "Listing of CGS Fullgoal Vietnam 30 Sector Cap Index ETF",
|
||||
"date": {
|
||||
"date": "2023-08-25 12:00:00 UTC",
|
||||
"value": "2023-08-25"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20230825-sgx-securities-welcomes-listing-cgs-fullgoal-vietnam-30-sector-cap"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "Listing of CSOP iEdge Southeast Asia+ TECH Index ETF",
|
||||
"date": {
|
||||
"date": "2023-06-20 12:00:00 UTC",
|
||||
"value": "2023-06-20"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgxgroup.com/media-centre/20230620-sgx-securities-welcomes-listing-csop-iedge-southeast-asia-tech-index"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX and OCBC jointly launch low carbon index tracking Singapore companies",
|
||||
"date": {
|
||||
"date": "2022-03-14 12:00:00 UTC",
|
||||
"value": "2022-03-14"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20220314-sgx-and-ocbc-bank-launch-low-carbon-index-tracking-singapores-largest"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX and CAI jointly launch the iEdge-GateEq Aviation and Travel Index",
|
||||
"date": {
|
||||
"date": "2021-11-25 12:00:00 UTC",
|
||||
"value": "2021-11-25"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20211125-sgx-and-cai-launch-index-capture-long-term-aviation-and-travel-related-growth"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX welcomes the listing of CSOP iEdge S-REIT Leaders Index ETF",
|
||||
"date": {
|
||||
"date": "2021-11-18 12:00:00 UTC",
|
||||
"value": "2021-11-18"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20211118-sgx-welcomes-second-etf-csop-asset-management-tracking-singapores-largest-and"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "iEdge licenses its Bitcoin index to Propine",
|
||||
"date": {
|
||||
"date": "2021-11-02 12:00:00 UTC",
|
||||
"value": "2021-11-02"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20211102-sgx-iedge-licenses-its-bitcoin-index-propine"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX and UOBAM partner on yield-focused APAC Green REIT index",
|
||||
"date": {
|
||||
"date": "2021-10-15 12:00:00 UTC",
|
||||
"value": "2021-10-15"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20211015-sgx-and-uobam-partner-launch-yield-focused-iedge-uob-apac-green-reit-index"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX and CNBC partner on new indices",
|
||||
"date": {
|
||||
"date": "2021-04-22 12:00:00 UTC",
|
||||
"value": "2021-04-22"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20210422-sgx-and-cnbc-partner-create-indices-focused-growth-economies-and-sectors"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"widgetType": "widget_static_tile",
|
||||
"title": "SGX scales up index business with acquisition of Scientific Beta",
|
||||
"date": {
|
||||
"date": "2020-01-23 12:00:00 UTC",
|
||||
"value": "2020-01-23"
|
||||
},
|
||||
"description": null,
|
||||
"media": null,
|
||||
"link": {
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/media-centre/20200123-sgx-scales-its-index-business-eur186-million-acquisition-smart-beta-index"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
],
|
||||
"relatedInformation": {
|
||||
"data": {
|
||||
"widgetType": "related_information_section",
|
||||
"title": "Related Information",
|
||||
"showAd": false,
|
||||
"linkItems": [
|
||||
{
|
||||
"title": "SGX Custom Index Services",
|
||||
"href": {
|
||||
"internal": true,
|
||||
"url": "/indices/sgx-custom-index-services"
|
||||
}
|
||||
},
|
||||
{
|
||||
"title": "iEdge-Factset Thematic Indices",
|
||||
"href": {
|
||||
"internal": true,
|
||||
"url": "/indices/services/thematic"
|
||||
}
|
||||
},
|
||||
{
|
||||
"title": "Chi-X Australia 200 Indices",
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "/indices/services/chixindex"
|
||||
}
|
||||
},
|
||||
{
|
||||
"title": "iEdge SGX Iron Ore Futures Indices",
|
||||
"href": {
|
||||
"internal": true,
|
||||
"url": "/indices/services/iron-ore"
|
||||
}
|
||||
},
|
||||
{
|
||||
"title": "STI Constituents",
|
||||
"href": {
|
||||
"internal": true,
|
||||
"url": "/indices/products/sti#Constituents"
|
||||
}
|
||||
},
|
||||
{
|
||||
"title": "iEdge CoinDesk Cryptocurrency Indices",
|
||||
"href": {
|
||||
"internal": false,
|
||||
"url": "https://www.sgx.com/campaign/iedge-coindesk-crypto-indices"
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user